Are you dazed and confused by Barack Obama, the nominal Democrat, whose conduct as president since 2009 has seen him sink from nearly 70 percent to 40 percent or less in the national polling, from which he has seemed to learn nothing, but still marches on? Fear not, the doctor is in: Fred Siegel of the Manhattan Institute, whose latest book, The Revolt Against The Masses: How Liberalism Has Undermined the Middle Class, explains all you wanted to know about Obama, and much else. It explains why he never became the new Franklin D. Roosevelt, John F. Kennedy or Lyndon...