The race for the 2020 nomination is on. Who of the Democratic candidates remain?

The field is shrinking. Here's a timeline of who's running for president.
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By Liz Johnstone and Jeremia Kimelman

First it was challengers "taking a look at," "thinking about" and "not ruling out" a White House bid. Now the field of people who want President Donald Trump's job has shrunk about as much as it will shrink.

茄枝视频Here's a timeline of who has run and who is still running for president among the field of Democratic candidates.

Follow our 2020 election coverage here, and read our latest coverage of each of the Democratic presidential candidates.

Joe Murphy contributed.