As one Gore Vidal novel came out in 1976, it has to wait until 2076 to celebrate its centennial. What is its title?

As which 1943 Ayn Rand novel begins, Howard Roark has just been expelled from the Stanton Institute of Technology? As which 2000 Ben Stiller movie showed, you can toilet train a cat? As marshal of which Arizona town in 1881 did Virgil Earp earn some money from prostitutes' license fees? As which author does Malcolm McDowell chase Jack the Ripper across time in the 1979 thriller "Time After Time"? Donny and his brothers had only one U.S. No. 1 single, "One Bad Apple" in 1971, as which group? Which guitarist died at age 27 in 1970 without a will, leaving his estate to his father? Which pig character, voiced by Christine Cavanaugh, starred in a 1995 film? Olympia Snowe served as a U.S. senator from 1995 to 2013 representing which state?