From The Bulletin, here are 20 reasons why geoengineering may be a bad idea. Katha Pollitt and Amanda Marcotte debate the state of the glass ceiling. Alex Abramovich reviews Slumberland by Paul Beatty. Conservatives will take death before tyranny; liberals will take some time to negotiate. The best coverage of American politics is to be found not in the country's newspapers, but in its books. Here's an open letter to Hillary Clinton's disenchanted supporters. Check out CQ Politics' VP Madness, where users decide who Obama should choose as his #2. From The Black Commentator, two cover stories on what Obama's victory means. Is Obama too naive to be president? Not in the post-Cold War world. What does the urge to intervene amount to? David Rieff wants to know. Who will rule the new Internet? Time goes inside the struggle for Web supremacy. Can subcultures still thrive in the glare of the digital age? A new study reports that sharing your feelings after a trauma may not always be the best medicine. Art's Willing Executioner: A review of Let's See: Writings on Art from The New Yorker by Peter Schjeldahl. The key to all optical illusions has been discovered. A review of Scepticism and the Possibility of Knowledge by AC Grayling. From Open, here's a brief history of the Kama Sutra (and a review of The Book of Love: The Story of the Kamasutra by James McConnachie).