President Donald Trump has been in the White House less than 100 days, but frustrated Democrats are already looking ahead to the 2020 elections.
That tantalizing prospect of getting a Democrat back in the White House after four years is expected to attract an unusually sprawling field of candidates that could include everyone from senators and governors to actors and businessmen.
And unlike the previous two Democratic nominating races, the contest will begin with no clear frontrunner and a leaderless party, leveling the playing field and inflaming the imagination of any public figure spoiling for a possible fight against one of the most polarizing presidents in memory.
The Iowa caucuses are over 1,000 days away and the political landscape will undoubtedly change in unpredictable ways in the meantime. But the prospect of taking on a controversial and unpopular incumbent who lost the popular vote in 2016 has potential candidates are already starting to think about it. Here are some people to watch:
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