text:  But does that convince? Many Democrats are saying that he needs to persuade people he's not too frail, and to do that he needs to get out there and do a series of lengthy live events with no teleprompter to show he's sharp and vigorous, and that hasn't happened yet. Instead, after a few days with just a few campaign events, he's agreed to a 15-minute interview with a former Democratic White House communications director, George Stephanopoulos, now with ABC.