MSNBC’s Joe Scarborough identified a “hard ceiling” in support that he said Donald Trump has been unable to crack with voters — and the MSNBC host doesn’t see any evidence that he can break thorough. The former president has been stuck at around 47 percent support since he first announced his re-election campaign nearly two years ago, and the “Morning Joe” host hasn’t seen any indication that Trump is growing that base of support in the campaign’s final week. “There was a time when people were cheering the [voters] that Bobby Kennedy was going to take off the board to make 47 percent enough [t…