State: New York
Claims to fame: She's been a leading #MeToo voice in fighting sexual harassment after urging Democratic Sen. Al Franken to resign over sexual misconduct claims and arguing that Bill Clinton should have left the presidency over the Monica Lewinsky affair.
Biggest weaknesses: She has acknowledged her Senate office made "post-investigation human errors" in investigating allegations of sexual misconduct against staffers, and she is struggling to distinguish herself among six female candidates.
Miami moment: She was the first of several candidates to interrupt another candidate's answer, prompting CNN to say it would reduce the time of any candidate in Detroit who repeatedly interrupts others.
Candidate visits to Michigan: Auburn Hills and Clawson on March 19; Bloomfield Hills, Flint and Lansing on July 12.