So far, only seven are in for sure:
- Former Vice President Joseph R. Biden Jr.
- Senator Cory Booker of New Jersey
- Mayor Pete Buttigieg of South Bend, Ind.
- Senator Kamala Harris of California
- Former Representative Beto O’Rourke of Texas
- Senator Bernie Sanders of Vermont
- Senator Elizabeth Warren of Massachusetts
Three others are within striking distance: Klobuchar, Castro and Yang