Sen. Elizabeth Warren Elizabeth WarrenNo new taxes for the ultra rich — fix bad tax policy instead Democrats back away from quick reversal of Trump tax cuts It's time for newspapers to stop endorsing presidential candidates MORE (D-Mass.) fired the starting pistol for the 2020 presidential race on Monday when she announced she was forming an exploratory committee for a White House bid.

Warren is the first top tier candidate to take such a major step — but plenty of others are expected to follow soon.

Here, The Hill presents its initial rankings of the Democratic field.

1. Rep. Beto O’Rourke (D-Texas)

The old cliche holds that Republicans fall in line and Democrats fall in love when it comes to selecting presidential nominees. If that’s true, it is good news for O’Rourke, who excited Democrats nationwide even while failing in his bid to unseat Sen. Ted Cruz Rafael (Ted) Edward CruzLoeffler calls for hearing in wake of Netflix's 'Cuties' Health care in the crosshairs with new Trump Supreme Court list 'Parks and Rec' cast members hosting special reunion to raise money for Wisconsin Democrats MORE (R-Texas) in the fall.

ADVERTISEMENT

O’Rourke came within 3 points of defeating Cruz in the strongly Republican state. More to the point, he proved to be a magnetic presence on the campaign trail and a fundraising juggernaut. He raised an astonishing $38 million in the third quarter of 2018 alone.

A number of aides to former President Obama have also talked up O’Rourke, drawing comparisons between his appeal and that of the former president.

Obama himself told his former aide David Axelrod that O’Rourke exhibited a similar sense of authenticity.

“The reason I was able to make a connection with a sizable portion of the country was because people had a sense that I said what I meant,” Obama told Axelrod, adding of O’Rourke, “it felt as if he based his statements and his positions on what he believed.”

There are still plenty of skeptics. Chicago Mayor Rahm Emanuel, himself a former Obama chief of staff, complained in a late November MSNBC interview, “He lost. You don’t usually promote a loser.” Commentators supportive of Sen. Bernie Sanders Bernie SandersSenate Republicans signal openness to working with Biden Hillicon Valley: DOJ indicts Chinese, Malaysian hackers accused of targeting over 100 organizations | GOP senators raise concerns over Oracle-TikTok deal | QAnon awareness jumps in new poll Schumer, Sanders call for Senate panel to address election security MORE (I-Vt.) have also sought to knock the gloss off O’Rourke in recent weeks, questioning the Texan’s progressive credentials.

But those attacks show just how much of a threat O’Rourke poses to the rest of the field.

2. Sen. Bernie Sanders (I-Vt.)

Sanders is a divisive figure in the Democratic Party — not least because he is not a member of it.

But the Vermont independent has won a hugely devoted following with the democratic socialist ideas that he had been pushing for decades before they became fashionable.

He also has the organizational advantages that come from his much stronger-than-expected 2016 showing against eventual nominee Hillary Clinton Hillary Diane Rodham ClintonBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Virginia Democrat blasts Trump's 'appalling' remark about COVID-19 deaths in 'blue states' The Hill's Campaign Report: Biden asks if public can trust vaccine from Trump ahead of Election Day | Oklahoma health officials raised red flags before Trump rally MORE.

Ironically, Sanders’s best chance for 2020 success could be to ape what President Trump Donald John TrumpBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Military leaders asked about using heat ray on protesters outside White House: report Powell warns failure to reach COVID-19 deal could 'scar and damage' economy MORE did in the 2016 GOP primaries. There were plenty of Republicans implacably opposed to Trump, but their votes were split among a large field. That allowed Trump to roll up victory after victory with a plurality of the vote.

There are dangers for Sanders: Warren’s all-but-inevitable candidacy could split the progressive vote while O’Rourke could draw the young voters who flocked to Sanders in 2016. Sanders would also be 79 by Inauguration Day 2021.

But, make no mistake, Sanders is a real contender if he runs.

3. Former Vice President Joe Biden Joe BidenThe Memo: Warning signs flash for Trump on debates Senate Republicans signal openness to working with Biden National postal mail handlers union endorses Biden MORE

Biden leads almost all opinion polls at this stage — and how you rate his chances depends largely on how much you think that matters.

A CNN poll earlier this month showed him with 30 percent support, more than double the level of the second-place Sanders, who grabbed 14 percent. A Suffolk University/USA Today poll suggested Democrats were more excited about a run by Biden than anyone else.

The case for Biden is straightforward: He can connect with the Rust Belt voters who carried Trump to victory in 2016, he was a loyal vice president to Obama and he is generally well-liked within the party.

But the case for Biden-skepticism is just as easily made. His strong polling numbers are a consequence of name recognition more than anything else, the doubters say — and an establishment Democrat first elected to the Senate in 1972 is hardly what the party wants in the current, insurgent-friendly political moment.

Biden first ran for president in 1988 and did so again in 2008. Could he climb the mountain in one final effort?

4. Sen. Kamala Harris Kamala HarrisNational postal mail handlers union endorses Biden The Hill's Campaign Report: Biden asks if public can trust vaccine from Trump ahead of Election Day | Oklahoma health officials raised red flags before Trump rally Jim Carrey to play Biden on 'Saturday Night Live' MORE (D-Calif.)

Harris, a first-term senator and former attorney general of California, is one of the most intriguing figures in the race.

She has made her national name in part through formidable, prosecutorial questioning of figures aligned with Trump, including then-Attorney General Jeff Sessions Jefferson (Jeff) Beauregard SessionsTrump's policies on refugees are as simple as ABCs Ocasio-Cortez, Velázquez call for convention to decide Puerto Rico status White House officials voted by show of hands on 2018 family separations: report MORE and Supreme Court nominee Brett Kavanaugh Brett Michael KavanaughGideon leads Collins by 12 points in Maine Senate race: poll Conservatives see glaring omission on Trump's Supreme Court shortlist Cruz says he wouldn't accept Supreme Court nomination MORE.

She is charismatic, a powerful orator and the strongest non-white candidate in the field — something that could be important given not just the importance of the black vote, but a more general acceptance among liberals that Democrats need to demonstrate their diversity.

Harris could also conceivably bridge the span of the party between progressives and centrists, drawing some support from both wings in a way that Sanders from the left, or Biden, toward the center, might struggle to do.

At the same time, parts of her record, including on criminal justice, give liberals a degree of heartburn. Still, she is clearly a top-tier candidate if, as is widely expected, she runs.

5. Sen. Elizabeth Warren (D-Mass.)

The video Warren released to mark the formation of her exploratory committee on Monday was slick and effective. It emphasized her role in pushing back against malfeasance on the part of financial institutions but also framed that as part of a bigger story, portraying her as a fighter for fairness. She also made specific reference to racial inequities.

ADVERTISEMENT

Warren has been a progressive hero since her days pushing for the creation of the Consumer Financial Protection Bureau. She is a strong and fiery platform speaker. And it’s possible that she could outflank Sanders on the left.

But Democrats who are lukewarm about Warren question her political instincts, highlighting the curious recent episode where she claimed via DNA evidence that she had a Native American ancestor six to 10 generations ago. The intention was to defang Trump’s attack on her as “Pocahontas,” but the effort backfired, even drawing criticism from the Cherokee Nation.

More broadly, some Democrats worry that Trump’s visceral appeal to some white working-class voters will not be best countered by an erstwhile Harvard Law School professor from a deep-blue state.

6. Sen. Sherrod Brown Sherrod Campbell BrownEmboldened Democrats haggle over 2021 agenda Hillicon Valley: Russia 'amplifying' concerns around mail-in voting to undermine election | Facebook and Twitter take steps to limit Trump remarks on voting | Facebook to block political ads ahead of election Top Democrats press Trump to sanction Russian individuals over 2020 election interference efforts MORE (D-Ohio)

Brown won his Senate reelection race comfortably in November, in a state Trump carried by 8 points against Clinton in 2016.

This is the core of his appeal to Democrats as a potential 2020 candidate: He is someone who understands the industrial Midwest in his marrow, and he can carve out a path to victory in that electorally vital region.

Brown may not have the glitz of some other contenders, but his rumpled authenticity could play to his advantage, his boosters say. A heartland progressive, he has long enjoyed strong support from labor unions.

Two questions loom large: whether Brown really wants to run, and whether he can quickly get enough traction if he does so.

7. Sen. Cory Booker Cory Anthony BookerDemocratic lawmakers call for an investigation into allegations of medical neglect at Georgia ICE facility Black Voters Matter Fund deploying voter outreach caravans in 12 states to drive turnout Philanthropist Susan Sandler investing 0M in social justice organizations MORE (D-N.J.)

On paper, Booker should be a formidable candidate: a young African-American senator with obvious oratorical gifts.

But Booker has been dogged by suggestions that he is more interested in publicity than action, dating all the way back to his days as mayor of Newark, N.J.

He has also sometimes been friendlier with the financial industry than today’s Democratic grass-roots voters might like. He famously criticized Obama’s 2012 campaign for attacking GOP nominee Mitt Romney Willard (Mitt) Mitt RomneyThe Memo: Warning signs flash for Trump on debates GOP votes to authorize subpoenas, depositions in Obama-era probe Overnight Defense: Trump hosts Israel, UAE, Bahrain for historic signing l Air Force reveals it secretly built and flew new fighter jet l Coronavirus creates delay in Pentagon research for alternative to 'forever chemicals' MORE’s work for Bain Capital, though he swiftly backtracked.

Booker’s perceived love of the spotlight can attract eye-rolls from colleagues — a more recent example being his “Spartacus moment” during the Kavanaugh hearings.

He will get his fair share of media attention if he runs, but he may need other contenders to stumble in order to vault into serious contention.

8. Sen. Amy Klobuchar Amy KlobucharEPA delivers win for ethanol industry angered by waivers to refiners It's time for newspapers to stop endorsing presidential candidates Biden marks anniversary of the Violence Against Women Act, knocks Trump and McConnell MORE. (D-Minn.)

Klobuchar’s political abilities are often underrated — something she could prove one more time if she presses forward with a presidential run.

Klobuchar’s platform would, in essence, be based on an ability to connect with voters in the American heartland while committing no real sins of liberal heresy. Her legislative record involves work on issues that have appeal to Democrats and beyond them — lowering the costs of prescription drugs and protecting online privacy, for example.

Her public persona is affable and good-humored but one question is whether Democrats want a nominee to take the fight to Trump in a more aggressive way.

9. Former New York City Mayor Michael Bloomberg

Bloomberg, the media billionaire who served three terms as New York City’s mayor, has given strong indications that he is considering a run for the White House.

“Do I think I could be a good president? Yes,” he told Chuck Todd on NBC’s “Meet The Press” in an interview that aired Sunday. He said he would make a decision by February.

Bloomberg’s path to the Democratic nomination is anything but clear, however. It would presumably involve winning over centrists and perhaps even disaffected Republicans with the promise of a candidacy that steers a middle ground and doesn’t pander to partisan or hard-left interests.

But that is likely to be a hard sell in a party where the energy is increasingly with progressives.

Bloomberg, who twice ran for mayor as a Republican before changing his party affiliation, seems an uneasy fit for the Democratic spirit of the times.

10. Sen. Kirsten Gillibrand Kirsten GillibrandSuburban moms are going to decide the 2020 election Jon Stewart urges Congress to help veterans exposed to burn pits The Hill's Campaign Report: 19 years since 9/11 | Dem rival to Marjorie Taylor Greene drops out | Collin Peterson faces fight of his career | Court delivers blow to ex-felon voting rights in Florida MORE (D-N.Y.)

Gillibrand has made women’s issues a key part of her appeal. As a senator representing New York, she is well-known in the nation’s largest media market and one of the epicenters of Democratic fundraising.

Gillibrand also got an opportunity to display her guts when Trump took aim at her with what was widely interpreted as a sexual innuendo a year ago. She doubled down on her call for him to resign afterward.

Still, as with Booker, there is a distrust of Gillibrand in some quarters, rooted in her perceived penchant for self-publicity. Her willingness to buck the party line, as when she suggested former President Clinton should have resigned over his affair with Monica Lewinsky, has created enemies as well as friends.

More generally, the answer to how Gillibrand overtakes several of the names higher on this list remains a difficult one to answer.

Other potential candidates outside the top 10: Former New Orleans Mayor Mitch Landrieu, former Virginia Gov. Terry McAuliffe, activist Tom Steyer, Rep. Joe Kennedy Joseph (Joe) Patrick KennedyMassachusetts town clerk resigns after delays to primary vote count Bogeymen of the far left deserve a place in any Biden administration Hillicon Valley: Election officials prepare for new Russian interference battle | 'Markeyverse' of online fans helps take down a Kennedy | GOP senators unveil bill to update tech liability protections MORE III. (D-Mass.), former San Antonio Mayor Julián Castro, South Bend, Ind., Mayor Pete Buttigieg, Los Angeles Mayor Eric Garcetti, Colorado Gov. John Hickenlooper, Rep. Eric Swalwell Eric Michael SwalwellSwalwell calls for creation of presidential crimes commission to investigate Trump when he leaves office 'This already exists': Democrats seize on potential Trump executive order on preexisting conditions Swalwell: Barr has taken Michael Cohen's job as Trump's fixer MORE (D-Calif.), Rep. John Delaney John DelaneyCoronavirus Report: The Hill's Steve Clemons interviews Rep. Rodney Davis Eurasia Group founder Ian Bremmer says Trump right on China but wrong on WHO; CDC issues new guidance for large gatherings The Hill's Coronavirus Report: Kansas City Mayor Quinton Lucas says country needs to rethink what 'policing' means; US cases surpass 2 million with no end to pandemic in sight MORE (D-Md.)