Which 1984 No. 1 hit for Tina Turner dismisses love as "only the thrill of boy meeting girl"?

Which 1984 hit, Van Halen's only No. 1 single, is a synonym for "leap"? In which 1984 film do men ride giant worms and fight the forces of the Emperor? Which governor of New York gave a famous keynote address at the 1984 Democratic Convention? In 1984 a deadly gas leak at which company's chemical plant in Bhopal, India, killed thousands? Desmond Tutu, winner of the 1984 Nobel Peace Prize, was elected to which church office in Johannesburg that same year? In which 1984 film set in New York City does a minister pronounce a frog and a pig husband and wife? In which 1984 film does Pat Morita's character teach karate through chores like "wax on, wax off"? In which 1984 adventure film does Michael Douglas play reckless jungle treasure hunter Jack Colton?