Sen. Kamala HarrisKamala Devi HarrisHarris bashes Kavanaugh's 'sham' nomination process, calls for his impeachment after sexual misconduct allegation Gun control: Campaigning vs. legislating Booker defends middle-ground health care approach: 'We're going to fight to get there' MORE is making a return trip to “The Late Show,” as speculation of a 2020 White House bid swells around the California Democrat.

Harris will sit down with Stephen Colbert on the CBS late-night show on Jan. 10, the network announced Thursday.

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Harris is poised to appear the same night as another guest with a political connection. Actor Bradley Whitford — who starred as fictional White House deputy chief of staff Josh Lyman on NBC’s long-running political drama, “The West Wing” — is also booked for next Thursday’s show.

Harris has been floated as a possible 2020 presidential contender in what is likely to be a crowded Democratic field. It won’t be the lawmaker’s inaugural appearance on Colbert’s show — she was also a guest last April.

Last month, a pair of prominent Democrats made headlines with their 2020 announcement on “The Late Show.”

After Colbert egged on Julián Castro, a former Housing and Urban Development secretary, about whether he would be running in the next presidential race, his twin brother, Rep. Joaquin CastroJoaquin CastroIt's legal to tweet the names of all of Trump's donors, but it's probably not a good idea The exhaustion of Democrats' anti-Trump delusions Juan Williams: Democrats finally hit Trump where it hurts MORE (Texas) replied, “I’ll speak on his behalf here, he’s going to run for president.”