Roy Hoopes's Our Man in Washington , an entertaining look at Washington, D.C., in the early 1920s through the eyes of James M. Cain and H. L. Mencken, got great reviews. "An entertaining, hard-boiled novel about political corruption . . . history with a twist," said Playboy. Now Hoopes turns to the Nixon era. It's 1973, the year after the Watergate break-in, and everything that happens in and around Washington seems to have some connection to that...