Donald Trump continues to plow ahead in Florida, while Jeb Bush continues to flounder. This according to a new Gravis Marketing poll. The poll, released Monday, revealed more bad news for the former governor. Ben Carson has vaulted ahead of Bush, leaving Jeb in third. Gravis polled 1,584 registered voters from September 5 to 11 via automated phone calls and cell-phone responses. And, much like we're seeing in Iowa and New Hampshire, Trump and Carson are polling strong in first and second place while Bush is coming in at third. The results show Trump holding a 33 percent lead in...