Elizabeth Warren likely to announce 2020 presidential run on Feb. 9

Sen. Elizabeth Warren announces presidential exploratory committee

WASHINGTON — Elizabeth Warren is expected to officially announce her candidacy for the 2020 Democratic presidential nomination on February 9.

The Massachusetts senator is telling supporters she'll make a "BIG announcement" that day.

Warren opened her presidential exploratory committee exactly one month ago, a move that made her the first prominent sitting Democrat to enter the Democratic primary race.

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Warren has since been joined in the presidential mix by three fellow Democratic senators - Kirsten Gillibrand of New York, Kamala Harris of California and Cory Booker of New Jersey.