Harness racing horses compete at either a trot or which other gait?

Which 1987 comedy starred Tom Selleck, Steve Guttenberg and Ted Danson as bachelors caring for an infant? Johnny Cash recorded a hit 1968 live album at which California prison? In the 1960 film "The Time Machine," Rod Taylor meets which gentle, childlike people in the year 802,701? Which boxer, like his brother Leon, won Olympic gold in 1976 and later beat Larry Holmes for the heavyweight title? Hours after Pearl Harbor, Japan attacked which U.S. island in the Marianas, capturing it days later? Which Whig served as U.S. vice president before becoming president in 1850? In which 1943 film did Roddy McDowall play a boy whose beloved collie is sold and makes a long journey home? Which executive department, headed first by Alexander Hamilton, was created by Congress in 1789?