Welcome to The Hill's Campaign Report, your daily rundown on all the latest news in the 2020 presidential, Senate and House races. Did someone forward this to you? Click here to subscribe.

We're Julia Manchester, Max Greenwood and Jonathan Easley. Here's what we're watching today on the campaign trail.

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HAPPY SUPER TUESDAY:

We've got a race.

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 is surging in polls released today as voters head out to cast ballots in 14 states across the country.

About one-third of all the delegates needed to win the Democratic nomination will be allocated today, and nobody knows how it will shake out between Biden and 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.) after a head-spinning 72 hours since Biden won the primary in South Carolina.

Former South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegBogeymen of the far left deserve a place in any Biden administration Overnight Defense: Woodward book causes new firestorm | Book says Trump lashed out at generals, told Woodward about secret weapons system | US withdrawing thousands of troops from Iraq A socially and environmentally just way to fight climate change MORE and 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.) have dropped out of the race and thrown their support behind Biden, who has attracted scores of endorsements from party leaders in the past few days, ranging from House members to influential former governors and senators.

The donations are flooding in for Biden as well; he raised more than $10 million in the 24 hours after winning in South Carolina.

Is it enough to help him match or surpass Sanders's delegates haul on Tuesday night?

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Sanders has been running a national campaign for weeks, holding rallies in California and Texas, the two biggest states to vote, and marching with thousands of supporters to turn in early ballots in both states.

Biden is outmanned in staff and volunteers. But the surge of momentum he's received in the past 24 hours is undeniable and reflected in the polls.

Nationally, Biden surpassed Sanders in a new Morning Consult survey taken after Klobuchar and Buttigieg dropped out.

And a slew of new polls released Tuesday found Biden cutting into Sanders's lead in California. It now looks like Texas could go either way.

The polls show Biden opening up big leads in Virginia and North Carolina, while locking down states such as Alabama, Arkansas and Tennessee.

Sanders should still do well in California, and he's expected to win in Colorado, Utah, Maine and his home state of Vermont. But Minnesota suddenly looks much tighter, as does Massachusetts, where 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) badly needs to win her home state.

The FiveThirtyEight model views Biden and Sanders as likely winners in seven states apiece. Only one week ago, it appeared that Sanders might win 10 states or more, along with big victories in California and Texas.

But will former New York City Mayor Michael Bloomberg Michael BloombergThe Hill's 12:30 Report - Presented by Facebook - Latest with the COVID-19 relief bill negotiations The Memo: 2020 is all about winning Florida The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Trump, Biden renew push for Latino support MORE leave a mark on the race after plowing hundreds of millions into a national ad campaign? Will Warren and Bloomberg reach the 15 percent viability threshold in surprising places that keeps Biden or Sanders from running up the score? Does anyone drop out?

Stay with us all night as we sort through the returns on the most important day of the Democratic primary to date.

-- Jonathan Easley

Super Tuesday poll closing times pic.twitter.com/Tw1uaRSnw5 — Bruce Mehlman (@bpmehlman) March 3, 2020

READ MORE:

The Hill's Jonathan Easley: Polls show big bounce for Biden ahead of Super Tuesday

The Hill's Julia Manchester: 5 states to watch on Super Tuesday

The Hill's Niall Stanage: What each candidate needs to do

The Hill's Jonathan Easley: Sanders poised for big Super Tuesday

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The Hill's Max Greenwood: 5 things to watch on Super Tuesday

PERSPECTIVES:

Deb Gordon: How to vote like a pragmatic progressive.

Edward Burmila: A brokered convention would be an ugly act of self-sabotage

Jelani Cobb: Biden, black voters and the way forward for Democrats

Nellie Gorbea and Trey Grayson: Getting nonvoters to the poll

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Jonathan Chait: Why endorsements will help Biden

Allison Hope: The historic significance of Buttigieg's campaign

POLL WATCH:

MORNING CONSULT – NATIONAL

Biden: 36 percent (+8)

Sanders: 28 percent (-1)

Bloomberg: 19 percent (+2)

Warren: 14 percent (+3)

MARK YOUR CALENDARS:

March 10:

-Idaho primaries

-Michigan primaries

-Mississippi primaries

-Missouri primaries

-North Dakota Democratic caucuses

-Washington State primaries



March 15:

-Eleventh Democratic presidential primary debate



March 17:

-Arizona Democratic primary

-Florida primaries

-Illinois primaries

-Ohio primaries



March 24:

-Georgia primaries



March 29:

-Puerto Rico Democratic primary

ONE FUN THING:

BETO AND BURGERS: After receiving a slew of endorsements from three of his former 2020 rivals on Monday, Biden capped off his good day at the famous Texas burger chain Whataburger with one of those three one-time rivals--former Rep. Beto O'Rourke Beto O'RourkeJimmy Carter says his son smoked pot with Willie Nelson on White House roof O'Rourke endorses Kennedy for Senate: 'A champion for the values we're most proud of' 2020 Democrats do convention Zoom call MORE (D-Texas).

The former vice president and former Texas congressman were joined by O'Rourke's wife Amy at the burger joint in Dallas after O'Rourke formally endorsed Biden.

Democratic presidential primary candidate Joe Biden grabs a shake with Beto O’Rourke and his wife Amy at Whataburger near Cityplace in Dallas, late Monday March 2, 2020. O’Rourke endorsed Biden at a rally earlier in the evening. (Photo Michael Hamtil/The Dallas Morning News) pic.twitter.com/sj2H1xd5zH — Michael Hamtil (@mhamtil) March 3, 2020

And yes, O'Rourke did stream the meal live on Facebook.

Biden was greeted warmly by customers and supporters at the Texas eatery, and even received a Beto t-shirt he promptly put on.

"Put me in coach. I'm ready to play!" Biden said upon receiving the shirt.

Biden and his wife, Jill, will be attending a Super Tuesday event in Los Angeles tonight, and the question we're all asking is, will he continue his burger streak with In-n-Out?

We'll see you tomorrow for a rundown of the Super Tuesday results!