Which Beat poet wrote "Howl"?

The United States launched a 1983 invasion of which Caribbean island? Which American twin brothers, born May 10, 1957, won Olympic gold and silver in slalom in 1984? What word, famous from a long-running American TV dance show, names a platform for an orchestra? Which American pilot evaded capture on the ground behind enemy lines in Bosnia for six days in 1995? "American Prometheus" is a biography of which physicist, who died in 1967? American Turf Monthly has covered which sport since 1946? Which first lady won Americans' hearts with a televised tour of the White House on February 14, 1962? Americans fought in the Abraham Lincoln Battalion in which 1936-39 conflict?