Quinnipiac polls of Florida, Ohio, and Pennsylvania:
http://www.quinnipiac.edu/news-and-events/quinnipiac-university-poll/2016-presidential-swing-state-polls/release-detail?ReleaseID=2287FloridaBush 44%
Clinton 43%
Clinton 45%
Carson 43%
Clinton 44%
Fiorina 42%
Rubio 45%
Clinton 44%
Clinton 46%
Trump 41%
Biden 46%
Bush 42%
Biden 45%
Carson 42%
Biden 49%
Fiorina 38%
Biden 46%
Rubio 43%
Biden 52%
Trump 38%
Bush 45%
Sanders 41%
Carson 46%
Sanders 40%
Fiorina 42%
Sanders 41%
Rubio 46%
Sanders 41%
Sanders 46%
Trump 41%
OhioBush 43%
Clinton 41%
Carson 49%
Clinton 40%
Fiorina 43%
Clinton 41%
Rubio 45%
Clinton 41%
Clinton 43%
Trump 42%
Biden 46%
Bush 37%
Carson 46%
Biden 42%
Biden 44%
Fiorina 42%
Biden 46%
Rubio 41%
Biden 49%
Trump 38%
Bush 42%
Sanders 40%
Carson 48%
Sanders 36%
Fiorina 43%
Sanders 39%
Rubio 43%
Sanders 40%
Sanders 43%
Trump 40%
PennsylvaniaBush 46%
Clinton 40%
Carson 49%
Clinton 40%
Fiorina 45%
Clinton 41%
Rubio 45%
Clinton 42%
Clinton 44%
Trump 42%
Biden 45%
Bush 42%
Carson 47%
Biden 42%
Biden 44%
Fiorina 43%
Biden 45%
Rubio 43%
Biden 50%
Trump 40%
Bush 44%
Sanders 42%
Carson 47%
Sanders 37%
Fiorina 44%
Sanders 40%
Rubio 45%
Sanders 39%
Sanders 46%
Trump 41%