Former Gov. Mitt Romney, a likely GOP presidential candidate for 2012, told supporters he won’t announce his candidacy before the end of the year — but political analysts said yesterday the discussion is the strongest indicator yet that he’ll run. “We know who is running, they’re just doing everything but coming out and saying so,” said Andy Smith, director of the Political Center at the University of New Hampshire. Romney held a conference call with 245 of his top supporters Thursday and told them that unlike his failed 2008 run, he won’t be announcing until later in the cycle, according...