Vice President Kamala Harris is hitting the campaign trail as her party seeks to keep the White House for the next four years. The question is which other Democrats can help her out.

Harris is seen as an important surrogate for President Joe Biden in reaching black, Latino, and younger voters. She made an appearance last week before a group of union members and will launch a nationwide abortion rights tour on Jan. 22, the anniversary of the 1973 Roe v. Wade decision.