When President Ronald Reagan was asked about Iran-Contra, he replied that he did not remember whether he had authorized two illegal arms sales to Iran in 1985. Former Attorney General Alberto Gonzales stated "I don't recall" or similar phrases 64 times in one memorable day of testimony before the Senate Judiciary Committee -- a performance so memorable that it has since been set to music as a cantata.
20 states ask federal judge in Florida to throw out Obama health care law