Sarah Palin doesn’t deserve this. Neither does any other similarly situated public figure, whether on the political right, left or in the middle. But worthiness has nothing to do with this, not when there’s a chance of driving up book sales and bringing down the celebrity you despise at the same time. Enter Joe McGinniss. His new book, “The Rogue: Searching for the Real Sarah Palin,” claims that the former Alaska governor and GOP vice presidential candidate had a tryst in 1987 with basketball star Glen Rice when he was in Alaska to play in a tournament with his University...