u2 on david letterman

u2's new album 'no line on the horizon' came out tuesday and already it's gotten a big thumbs up in a review from rolling stones. this week they've even been the musical guest every night on letterman. i'm a big fan of bono's performance charisma. he seems to understand--better than almost any other performer--how to both connect the audience to himself, bring you into a moment, and then take you beyond that moment to another place...