Outrageous: A History of Showbiz and the Culture Wars, by Kliph Nesteroff, Abrams, 312 pages, $30 The first paragraph of the book jacket lays it out: “There is a common belief that we live in unprecedented times, that people are too sensitive today, that nobody objected to the actions of actors, comedians, and filmmakers in the past. Modern pundits would have us believe that Americans of a previous generation had tougher skin and seldom complained. But does this argument hold up to scrutiny?” There’s a good point underneath the hyperbole. People tend to believe—and pundits, politicians, and ac…