Photo: Joe Raedle/Getty Images.

Former Vice President Joe Biden has earned endorsements from a string of prominent Democrats in the hours leading up to Super Tuesday, where wins in huge delegate states like California and Texas could drastically change the trajectory of the 2020 race.

Driving the news: Two former Obama administration officials — former UN Ambassador Samantha Power and former White House chief of staff Denis McDonough — endorsed Biden on Tuesday.

But they're not the only big names throwing their weight behind Biden's campaign, which has seen a turnaround after a sweeping victory in South Carolina overshadowed his poor performances in Iowa and New Hampshire. Other political figures endorsing Biden on Monday and Tuesday include:

  • Pete Buttigieg
  • Amy Klobuchar
  • Beto O'Rourke
  • Former Senate Minority Leader Harry Reid
  • Former UN ambassador and Obama national security adviser Susan Rice
  • Illinois Sen. Tammy Duckworth
  • California Rep. Gil Cisneros
  • Texas Rep. Veronica Escobar
  • Ohio Rep. Marcia Fudge
  • Former Colorado Sen. Mark Udall
  • Austin Mayor Steve Adler
  • Virginia House Majority Leader Charniele Herring
  • Denver Mayor Michael Hancock
  • Chattanooga Mayor Andy Berke
  • Florida Rep. Debbie Wasserman Schultz

The big picture: Moderates are coalescing around Biden in a bid to stop progressive Sen. Bernie Sanders, who could run away with an insurmountable delegate lead after Super Tuesday. Mike Bloomberg, a centrist who will appear on the ballot for the first time on Tuesday, doesn't yet appear to be budging.

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Presidential Debate Commission co-chair Frank Fahrenkopf Jr. said Sunday he doesn't expect Fox News anchor Chris Wallace or any of the other moderators to fact-check President Trump or former Vice President Joe Biden at the debates.

What he's saying: "There's a vast difference between being a moderator in a debate and being a reporter who is interviewing someone." Fahrenkopf Jr. said on CNN's "Reliable Sources."

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Illustration: Sarah Grillo/Axios

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3 states set single-day coronavirus case records last week

Data: Compiled by Axios; Map: Danielle Alberti/Axios

Utah, North Carolina and Wyoming set new highs last week for coronavirus infections recorded in a single day, according to the COVID Tracking Project (CTP) and state health departments. Utah and Wyoming surpassed records set the previous week.

Why it matters: Record case highs have usually meant that more hospitalizations and other serious outcomes are on the way, CTP's latest weekly update notes.