Warren becomes latest ex-presidential rival to back Biden

Gage Skidmore / CC BY-SA 2.0 Elizabeth Warren (D) - US Senator from Massachusetts since 2013, Photo Date: 1/12/2020
By WILL WEISSERT Associated Press
WASHINGTON (AP) — Massachusetts Sen. Elizabeth Warren has endorsed Joe Biden in the Democratic presidential race.
She's the latest of the former vice president's onetime White House rivals to back him.
Her endorsement comes as the Democratic Party moves to project unity against President Donald Trump going into the November election.
Warren