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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LEADING THE DAY:

In the race for control of the Senate, there are signs that one state in particular is emerging as the key to the majority: North Carolina.

Over the past week, the two top Republican and Democratic super PACs focusing on Senate campaigns have booked nearly $50 million in fall ad reservations in North Carolina – nearly twice as much as the combined $25.7 million the two groups spent in Iowa, the state with the second highest investment.

The state is set for a general election match-up between Republican Sen. Thom Tillis Thomas (Thom) Roland TillisThe Hill's Campaign Report: GOP set to ask SCOTUS to limit mail-in voting OVERNIGHT ENERGY: EPA head questions connection of climate change to natural disasters | Pebble Mine executives eye future expansion in recorded conversations | EPA questions science linking widely used pesticide to brain damage in children Liberal super PAC launches ads targeting vulnerable GOP senators over SCOTUS fight MORE and Democrat Cal Cunningham. Campaign aides and operatives on both sides of the aisle see the race as something of a bellwether for their parties' larger political fortunes.

"It's going to be kind of the pivotal race to decide who has the majority in the Senate this fall," one state Democratic official said. "If one party does well here, then it bodes well for how they're doing nationally."

North Carolina is just one of a handful of states that make up the Senate battlefield. Republican incumbents are also fending off tough challenges in Colorado, Arizona and Maine, while only one Democrat, Sen. Doug Jones (D-Ala.), is in serious electoral danger.

But North Carolina is seen by many politicos as a true toss-up state, given its status as a presidential battleground as well as its history of high turnover in the Senate.

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"Look at the history of North Carolina. We've gone from [former Sen.] Elizabeth Dole (R) to [former Sen.] Kay Hagan Kay Ruthven HaganThe Hill's Campaign Report: Democratic Unity Taskforce unveils party platform recommendations Democrats awash with cash in battle for Senate The Hill's Campaign Report: Trump's job approval erodes among groups that powered his 2016 victory MORE (D) to Thom Tillis," former Gov. Pat McCrory (R) told The Hill. "We've had a lot of turnover in the Senate race in that seat."

Democrats see the state as increasingly in play, citing an influx of liberal-leaning suburban professionals to the Charlotte and Raleigh suburbs. Republicans, meanwhile, point to President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE's victory in the state in 2016 and relative popularity – Morning Consult polling data released in February showed his approval at 51 percent – as a sign that his presence at the top of the ballot could give Tillis a boost.

For now, there's little evidence that either Tillis or Cunningham have much of an advantage in the race. Polling data has been scarce since North Carolina held its primaries on March 3. But the most recent surveys show a dead heat between the two candidates.

An East Carolina University poll conducted in late February found Tillis leading Cunningham by 2 points, while an NBC News/Marist poll fielded days earlier showed Cunningham ahead by 5 points.

--Max Greenwood

FROM THE TRAIL:

Democrats are growing concerned about an enthusiasm gap between Trump and former Vice President Joe Biden Joe BidenOmar fires back at Trump over rally remarks: 'This is my country' Trump mocks Biden appearance, mask use ahead of first debate Trump attacks Omar for criticizing US: 'How did you do where you came from?' MORE following a poll that found the former vice president had less intense support than previous Democratic presidential nominees. Amie Parnes reports.

Lilly Ledbetter, a fierce advocate for equal pay, endorsed Biden on Tuesday, Equal Pay Day, Marty Johnson reports.

New York Gov. Andrew Cuomo Andrew CuomoThe Hill's Morning Report - Sponsored by Facebook - Trump, GOP allies prepare for SCOTUS nomination this week Fearless Girl statue in NYC dressed in lace collar to honor Ruth Bader Ginsburg NYT editorial board remembers Ginsburg: She 'will forever have two legacies' MORE (D) is trying to put away rumors that he might unexpectedly join the presidential race. "No," Cuomo said, in response to a question from his brother, CNN anchor Chris Cuomo Chris CuomoCNN's Lemon: 'We're going to have to blow up the entire system' if Democrats win back White House, Senate Giuliani criticizes NYC leadership: 'They're killing this city' CNN's Don Lemon calls on Biden to 'stand at a podium' in addressing violence MORE.

PERSPECTIVES:

Damon Linker: Democrats should relax, Biden is a strong candidate

Amy Dacey: Can democracy by mail save 2020?

Lara Brown: Virtual conventions may be the answer for 2020

David Schultz: Biden's pick for vice president doesn't matter much

FROM CONGRESS AND THE STATES:

Republican Todd McMurtry is seizing on Rep. Thomas Massie Thomas Harold MassieGOP lawmaker praises Kyle Rittenhouse's 'restraint' for not emptying magazine during shooting Rep. Dan Meuser tests positive for COVID-19 Liz Cheney wins Wyoming GOP primary in reelection bid MORE's (R-Ky.) attempt to hold up a more than $2 trillion coronavirus relief package to lend momentum to his primary bid against the four-term congressman, Max Greenwood reports. Massie, who represents Kentucky's 4th District, tried to delay the relief bill on Friday as lawmakers on both sides of the aisle scrambled to get it through the House of Representatives and to Trump's desk.

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Milwaukee polling stations are closing because there aren't enough people to work them amid the coronavirus outbreak, the Journal Sentinel reports. Wisconsin's Democratic primary is expected to take place on April 7.

POLL WATCH:

MORNING CONSULT – NATIONAL DEMOCRATIC PRIMARY

Biden: 61 percent (+1)

Sanders: 36 percent (+/-0)

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MONEY WATCH:

Two top Democratic outside groups are joining forces to help Biden in his expected general election match-up against Trump in November. Unite the Country, the super PAC supporting Biden's presidential bid, and the liberal group American Bridge said they would form a partnership to raise and spend a nine-figure amount supporting the former vice president's effort to oust Trump, Max Greenwood reports.

MARK YOUR CALENDARS:

(Keep in mind these dates could change because of the outbreak.)

April 7:

Wisconsin Democratic primary

April 10:

Alaska

April 17:

Wyoming

April 26:

Puerto Rico Democratic primary

April 28:

Ohio

ONE HOPEFUL THING:

DINNER PARTIES: The pandemic has taken a toll on all age groups, but for children across the globe, the challenges are particularly unique.

However, BBC reporter Ben Moore decided to make the best of the situation and hosted a fancy dinner party for his children, dressing up as a butler.

"One moment madam," Moore says to his daughter before heading over to wait on his son.

"Sir, the March 2020 vintage, would you care to try it before I pour," he said, holding a milk carton up for his son.

BBC South News said the video on Twitter, which was posted over the weekend, now has over 600,000 views!

You can watch the party commence here:

For more good news be sure to check out The Hill's Selfless Acts page, where our reporters are detailing how Americans are helping each other through the coronavirus pandemic.