Clearly Third Way, DCCC &DNC's tactic to force 2nd ballot is put up opposition to Bernie in almost every state. So far they have:
Warren MA
Booker NJ
Gillibrand NY
Harris CA
Klobuchar MN
Delaney MD >
Castro TX
Inslee WA
TBA
O'Rourke TX
Biden DE
Abrams GA
Brown OH
Bullock MT
Chafee RI
Cooper NC
Bloomberg NY
Hassan NH
Gutierrez IL
Kaine VA
Kander MO
Landrieu LA
Merkley OR
Swalwell CA
Schatz HI