For his exhaustive new book on HBO, James Andrew Miller talked to 600 people about the network that brought us \u201cThe Sopranos,\u201d \u201cThe Wire\u201d and \u201cVeep.\u201d Behind the scenes, executives were playing their own \u201cGame of Thrones.\u201d In the first of a two-part conversation, Miller tells KCRW about his new HBO oral history, \u201cTinderbox: HBO\u2019s Ruthless Pursuit of New Frontiers.\u201d