How would a teleprompter help in a debate when noone knows what questions will be asked??
During at least one of O's press conferences, when no one supposedly knows what questions will be asked, there was a big screen tv in use as a teleprompter. It had the questions and the answers on it. You could see his eyes going back and forth as he just read it. The media knew about it beforehand, they had to play along to get their question in, but you didn't hear anything about it. ABC just happened to cut to an unfortunate camera angle during a reporter asking his question and there it was, under the main camera.
Bottom line, it's a way for someone to feed him answers so he doesn't stutter aaaaand uuum aaaand ah all damn night. During the debate, he ummed and ahhhed during his opening remarks, specifically the part where he was WISHING HIS WIFE A HAPPY ANNIVERSARY. If he can't say that straight through, how will he make it through an intelligent discussion of tax rates without sounding like a complete idiot?