...I've spent a great deal of time thinking about Churchill while working on my book "Troublesome Young Men," a history of the small group of Conservative members of Parliament who defied British Prime Minister Neville Chamberlain's policy of appeasing Adolf Hitler, forced Chamberlain to resign in May 1940 and helped make Churchill his successor. I thought my audience would be largely limited to World War II buffs, so I was pleasantly surprised to hear that the president has been reading my book. He hasn't let me know what he thinks about it, but it's a safe bet that he's identifying...