From NBC's Kelly O'Donnell
Speaking at the Grocery Manufacturers Association meeting in Washington, the first president to do so since Eisenhower, President Bush joked about Cheney and Halloween.
The president told the audience that he spoke to the vice president today and "asked him what costume he was planning? He said, "I am already wearing it. He mumbled something about the dark side of the force."
Cheney used the Darth Vader line on himself in a speech on Oct. 21. at the Washington Institute for Near East Policy in Lansdowne, Va.
"In fact, most of you knew me long before anyone called me, Darth Vader," he said to laughter. "I've been asked if that nickname bothers me, and the answer is, no. After all, Darth Vader is one of the nicer things I've been called recently."