Live with Kelly and Mark: Temporada 2, Episódio 6

2 - 6: Matt Gutman, Neil DeGrasse Tyson

ABC News reporter and author MATT GUTMAN discusses his new book, "No Time to Panic"; and astrophysicist DR. NEIL DEGRASSE TYSON stops by to talk about his new book, "To Infinity and Beyond." Plus, "Live Loves NY Week" continues with a speed portrait demonstration by New York artist DEVON RODRIGUEZ.