What three-word term describes the October 20, 1973, Watergate exodus of Elliot Richardson, William Ruckelshaus and Archibald Cox?

In which Shakespeare play do three witches prophesy during a thunderstorm? Which bird phrase describes a futile, hopeless pursuit? Which three-word French term, literally "toilet water", names a lightly perfumed water? In which three-word location did the Exxon Valdez spill millions of gallons of crude oil in 1989? What was the three-word title of the 1950s TV show hosted by Walter Cronkite that recreated historical events as news? Which 1959 Bobby Darin hit begins "Oh, the shark, babe, has such teeth, dear"? Complete Oliver Hazard Perry's often-parodied 1813 report: "We have met the enemy, and ___." What is 3 x 4 x 5 x 6?