Warren has spoken to both candidates by phone in recent days, though none of the Democrats has said what was discussed.
Sen. Elizabeth Warren quit the Democratic presidential race on Thursday, leaving former Vice President Joe Biden and Sen. Bernie Sanders as the last major contenders battling for the nomination to challenge President Donald Trump this fall.
Democratic presidential candidate Senator Elizabeth Warren talks to reporters with her husband Bruce behind her outside their house after informing her staff that she is withdrawing from the 2020 presidential race in Cambridge, Massachusetts, March 5, 2020.
Her departure leaves what was once a historically diverse Democratic field essentially narrowed to two white men in their 70s.
Surrounded by supporters in Massachusetts on Thursday, Warren described her anguish that there would not be a woman nominee in 2020.
The trajectory of the race has rapidly shifted in recent days, with Biden gaining momentum in the contests that voted on Super Tuesday.
Biden's performance on Super Tuesday then spurred Bloomberg to exit the race and endorse the former vice president. »