Trump 28
Carson 17
Bush 13
Rubio 10
Cruz 9
Fiorina 7
Kasich 5
Huckabee 3
Christie 2
Walker 2
Jindal 1
Santorum 1
Gilmore <1
Graham <1
Pataki <1
Paul <1
Trump 55
Bush 38
Trump 54
Walker 39
Fiorina 46
Trump 46
Rubio 49
Trump 46
Carson 51
Trump 41
Clinton 55
Sanders 18
Biden 17
O'Malley 2
Chafee 1
Webb 1
Lessig 0
Clinton 64
Sanders 21
Among all voters, it is agreed that Bush should drop out by a 47-40 margin, and Rubio as well by a 48-42 margin.
http://www.publicpolicypolling.com/main/2015/09/florida-down-on-bush-rubio-campaigns.html