Everyone loves a good villain From the back pages of history, vivid, entertaining portraits of little-known scoundrels whose misdeeds range from the simply inept to the truly horrifying.Even if you're an avid history buff, you've probably never heard of this disreputable cast of characters: A drunken, ne'er-do-well cop who abandoned his post at Ford's Theatre, giving assassin John Wilkes Booth unchallenged access to President Lincoln; a notorious...