"The cellist Yo-Yo Ma was at the White House. It's the first yoyo we've had in the White House since George W. Bush." –David Letterman
"Dick Cheney says he may need a heart transplant. The doctors discovered the problem during Cheney's annual autopsy." –David Letterman
"On the other hand, George W. Bush is still waiting on his brain transplant." –David Letterman
