Mitt Romney’s 7-point lead in theTBT/Herald/Mason-Dixon poll is the latest sign of a Florida surge:

The survey conducted this week found 51 percent of likely Florida voters supporting Romney, 44 percent backing Obama and 4 percent undecided. That’s a major shift from a month ago when the same poll showed Obama leading 48 percent to 47 percent — and a direct result of what Obama himself called a “bad night”