Barack: "Ummm - whatcha doin'?"
Mayor: "Why are you calling me?"
Barack: "Ummm - I dunno."
Mayor: "Is there something I can do for you, Mr. President?"
Barack: "Ummm - wanna walk around the mall for a while?"
Mayor: "No, I do not. Is that it?"
Barack: "Ummm - whatcha doin'?"