She's back! The last time ALLISON JANNEY ("The West Wing") was here, she beat Ellen in a ping-pong match. What will their challenge be this time? Five-time Grammy winner ALICIA KEYS performs her new single "Karma," from her CD, "The Diary Of Alicia K... (more)eys." And, Ellen's first "Roving Reporter," Tony Synder is our "Luxury Box."