In which 1988 holiday film does Jim Varney's character help Santa Claus find a successor?

In which 1988 film does a man explain, "My dad lets me drive slow on the driveway. I'm an excellent driver"? Which Australian band had a 1988 No. 1 hit with "Need You Tonight," whose video segued into "Mediate"? Which 1988 film tells how professional baseball players deliberately lost the 1919 World Series? In the 1988 film "Gorillas in the Mist," Sigourney Weaver played which zoologist? In 1988, who defeated Lowell Weicker to become a U.S. senator from Connecticut? Who was the Texas state treasurer in 1988 and was elected governor of Texas in 1990? Which word completes the title of Milan Kundera's novel, filmed in 1988, "The ___ Lightness of Being"? In which 1988 film does Meryl Streep's character cry, "The dingo's got my baby"?