Over the past 13 years, Howard Stern helped SiriusXM satellite radio grow from a fledgling experiment into a 33 million-subscriber empire. But Stern, who made a name for himself as a potty-mouthed shock jock, has evolved - as a celebrity interviewer and as a person. He talks with Tracy Smith about his new book of interviews, "Howard Stern Comes Again"; his psychotherapy; a health scare that demonstrated he "wasn't Superman"; and how he and his wife are guardian angels to a thousand rescue cats.

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