United States Presidential Election

FILE - In this Dec. 15, 2014, file photo, Massachusetts Gov. Deval Patrick speaks during an interview at his Statehouse office in Boston. Former Massachusetts Gov. Patrick is considering making a late run for the Democratic presidential nomination. That is according to people with knowledge of Patrick’s deliberations. (AP Photo/Elise Amendola, File)

Democratic presidential candidate Sen. Amy Klobuchar, D-Minn., speaks to supporters outside the Statehouse after she filed to be listed on the New Hampshire primary ballot, Wednesday, Nov. 6, 2019, in Concord, N.H. (AP Photo/Elise Amendola)

In this Nov. 6, 2019, photo, Democratic presidential candidate Sen. Michael Bennet, D-Colo., stands in the New Hampshire secretary of state's office in Concord, N.H., after filing to be on the state's first-in-the-nation presidential primary ballot. The bottom tier of the Democratic presidential field is soldiering on. About a half-dozen candidates are still polling around 1% and not making the debates. But they’re staying in the race because they think the primary is still very unsettled. (AP Photo/Holly Ramer)

FILE - In this Oct. 4, 2019, file photo, Democratic presidential candidate Sen. Kamala Harris, D-Calif., speaks at the SEIU Unions For All Summit in Los Angeles. A battle is emerging between presidential candidates Elizabeth Warren and Harris for the support of black women, the Democratic Party’s most loyal and consistent voters. (AP Photo/Ringo H.W. Chiu, File)

Democratic presidential candidate Tom Steyer, left, addresses an environmental justice forum. Friday, Nov. 8, 2019, in Orangeburg, S.C. (AP Photo/Meg Kinnard)

FILE - In this Feb. 26, 2019, file photo, former New York City Mayor Michael Bloomberg speaks at a news conference at a gun control advocacy event in Las Vegas. Bloomberg has opened door to a potential presidential run, saying the Democratic field 'not well positioned' to defeat Trump. (AP Photo/John Locher, File)

FILE - In this Nov. 5, 2018, file photo, Culinary Union members cheer as they rally in support of Rep. Jacky Rosen, D-Nev., and other Democratic candidates at the culinary union hall in Las Vegas. Democratic presidential candidate Kamala Harris is set to speak Friday, Nov. 8, 2019, night in Las Vegas before one of the most powerful political forces in Nevada, the Culinary Union. (AP Photo/John Locher, File)

FILE - In this Feb. 8, 2019 file photo, former New York City Mayor Michael Bloomberg answers a question during an interview with The Associated Press in Orlando, Fla. Bloomberg, the billionaire former mayor of New York City, is opening the door to a 2020 presidential campaign. Bloomberg announced earlier this year that he would not seek the Democratic nomination. But in a statement, his political adviser Howard Wolfson says Bloomberg is worried that the current crop of Democratic presidential candidates is “not well positioned” to defeat President Donald Trump.(AP Photo/Phelan M. Ebenhack, File)

Democratic presidential candidate former Vice President Joe Biden speaks to supporters outside the New Hampshire State House after he filed to have his name listed on the New Hampshire primary ballot, Friday, Nov. 8, 2019, in Concord, N.H. (AP Photo/Charles Krupa)

Supporters of President Donald Trump cheer as he arrives to speak during the launch of "Black Voices for Trump," at the Georgia World Congress Center, Friday, Nov. 8, 2019, in Atlanta. (AP Photo/ Evan Vucci)