Clinton Now Tied With Bush and Walker

Quinnipiac reports:

Clinton thumps Trump 48 - 36 percent. She gets 41 percent to Bush's 42 percent and gets 44 percent to Walker's 43 percent.
Biden tops Trump 49 - 37 percent. He gets 43 percent to Bush's 42 percent and ties Walker 43 - 43 percent.
Sanders beats Trump 45 - 37 percent. Bush edges Sanders 44 - 39 percent and Walker slips past Sanders 42 - 37 percent.