About once a year I review a book in this column that ought to be required reading for people who care about politics. Edward Klein's "The Truth About Hillary" is such a book. The pre-publication leak about the book — that Bill Clinton had allegedly talked about raping his wife — was off-putting for me. I don't usually waste my time reading salacious scandal books from the left or the right. But I was advised to take a look at this book, which I read last weekend. It was worth my time. This is not a scandal book intended merely...