The Latest: Sanders say he will back 2020 Dem nominee

DES MOINES, Iowa (AP) — The Latest on the 2020 presidential campaign (all times local):

2:20 p.m.

Bernie Sanders says he'll support the Democratic nominee for president no matter who emerges from the field of contenders. The Vermont senator is trying to preach unity at a time when some of his supporters feel the political establishment is out to get them.

Sanders tells a crowd in Indianola, Iowa, that if he isn't the nominee, “we will support the winner and I know that every other candidate will do the same.”

Sanders says the Democratic primary field is, in his words, "united in our understanding that we must defeat Donald Trump.”

His comments come a day after one of his highest profile supporters, Michigan Rep. Rashida Tlaib, led a crowd at a concert for Sanders in booing Hillary Clinton. That followed Clinton's suggestion that Sanders didn’t do enough in 2016 to help her, as the Democrats' presidential nominee, beat Donald Trump.

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1:25 p.m.

Democratic presidential candidate Elizabeth Warren is skipping her signature “selfie” line so she can pack in more events into the final weekend before the Iowa caucuses on Monday.

Her campaign announced at a rally in Cedar Rapids that the Massachusetts senator had to dash to Iowa City and couldn’t stay for pictures. For months, she has stayed after events to pose for selfies with all who wanted one. Sometimes that's lasted for hours.

Warren has taken 100,000-plus selfies during more than a year of campaigning. The snippets of conversation she has with those who pose alongside her are a centerpiece of her campaign.

Staying behind for pictures in Cedar Rapids was Bailey, Warren’s golden retriever. Bailey has campaigned across Iowa while Warren was in Washington for President Donald Trump’s impeachment trial...