Roundup Top 10! April 19, 2013 On Other Websites: Week of April 15, 2013 William Dalrymple: The Ghosts of Afghanistan’s Past Robert Darnton: Information, Free to All Adam Winkler: Who Killed Gun Control? David Cannadine: How Should We Rank Margaret Thatcher? Ezra Klein: ‘Mad Men’ Should Make You Feel Better about Politics Today Marie Arana: Latin America’s Go-To Hero Derek S. Hoff: The False Alarm Over U.S. Fertility Robert Pondiscio: Let's Set a National Standard for Our Students—a Really Low One Gary Kulik: Double Standards about Vietnam Peter Eisner: Pope Pius XI's Last Crusade