WASHINGTON -- Ever want to know how basketball star Kareem Abdul-Jabbar's trivia skills stack up against those of George W. Bush's former press secretary Dana Perino? The third-ever "Jeopardy!" Power Players Week episodes are taping Saturday at D.A.R. Constitution Hall. Abdul-Jabbar, Perino and Anderson Cooper are three of the 15 celebrities who will be playing -- among them lots of wonks, pundits and journalists, as well as a surgeon, a comedian and the NBA's all-time top scorer.