Democratic U.S. Senate candidate John Fetterman has appeared in a nationally televised program to talk about how a stroke has affected him.  The current Pennsylvania lieutenant governor was on MSNBC Thursday and says even though he thought he was an empathetic person before the stroke, he said he’s “ten times more empathetic and understanding now.” It was Fetterman’s second appearance on the network. Opponent Mehmet Oz has criticized him for hiding the effects of his stroke on the campaign trail.