From the French for "loosening", what was the easing of U.S.-Soviet relations in the 1970s called?

Which 1978 comedy features the rallying cry "Nothing is over until we decide it is! Was it over when the Germans bombed… From 1986 to 1989, Gro Harlem Brundtland served as prime minister of which Scandinavian country? From an item once used as a ballot, which word means to exclude someone socially or vote against his membership? The Times-Picayune newspaper has covered the Louis Armstrong Jazz Camp in which city? From the French for "training", which equestrian event is sometimes called "horse ballet"? From the Greek for "leaf", what are the individual parts of a flower's corolla called? From the Greek for "lasting a day", what are items like campaign buttons and cruise ship menus, not meant to last, call… From the Italian for "foam", which molded ice cream dessert often contains candied fruit and nuts?