On this week’s Tech Nation, Moira speaks with Pulitzer Prize-winning journalist Gary Rivlin about his new book, “AI Valley: Microsoft, Google, and the Trillion-Dollar Race to Cash In on Artificial Intelligence”, exposing the big names and deeper stories behind the modern AI race. Then, Ossium Health CEO Kevin Caldwell shares how cryo-banked bone marrow may one day mean no one has to wait for a living match.