On today's Morning Edition, the Marines are coming to Alaska with a new rotating force and the at permanenet unit JBER. Why the Pentagon now says our state is critical to Arctic defense, and what hundreds of Marines training here could mean for your community. Plus, a jet skia nd 70mph still no match for a 300-foot tsunami. We'll show you a new video game based on real data from the Tracy Arm landslide and tsunami that lets you ride the wave.