Hillary Clinton's latest book won't be released until tomorrow, but excerpts have already been leaked, a million copies have been pre-sold and a "book tour" to every media market is under way – including an interview with ABC's Diane Sawyer, scheduled to run tonight. One veteran reporter says of Hard Choices, it's all about "everything but the book." Todd Purdum is senior writer for Politico, contributing editor to Vanity Fair and author of a recent book about the Civil Rights Act, An Idea Whose Time Has Come.