Sen. Kamala Harris (D-Calif.) told "Morning Joe" co-host Mika Brzezinski at the "Know Your Value" event in San Francisco on Saturday that she will decide early next year whether to launch a bid for the White House, saying that "over the holiday" she will "make that decision with my family," per NBC News.

Why it matters: Harris' move would help to clarify what is expected to be a crowded field of Democratic primary candidates. Rep. Beto O'Rourke is currently a candidate du jour — and other top contenders like Sen. Elizabeth Warren and former Vice President Joe Biden have indicated they could make their decisions soon.

Go deeper: The Democrats' 2020 crowd jumps the gun