Today on Buckmaster – Scientists say dinosaurs are extinct because an asteroid hit the wrong spot on earth. The man who discovered that spot is my guest tomorrow, Dr. David Kring, senior staff scientist at the Houston-based Lunar & Planetary Institute. Also, where are you going this holiday season? Travel Talk with Bon Voyage Travel Ryan Hansen is always fun. Plus, Dr. Mark Sykes, CEO of the Tucson-based Planetary Scientist Institute joins us for his monthly visit.