From National Journal, pick a number and set a deadline—it's President Bush's way of managing everything from space shots to gasoline consumption; and if history is any guide, the next president will attempt to follow through on the vast majority of pledges made on the campaign trail. From TED, Helen Fisher talks about the brain in love. As Spain takes one great step forward for animal rights and liberty, activists elsewhere are persecuted. A review of For the Love of Animals: The Rise of the Animal Protection Movement by Kathryn Shevelow. A review of Political Hypocrisy: The Mask of Power, from Hobbes to Orwell and Beyond by David Runciman. John McCain styles himself as a Teddy Roosevelt Republican, but he's taken exactly the wrong lessons from TR. Turning panic into opportunity: How to tell when markets may have hit bottom. A review of Glamour: A History by Stephen Gundle. From Carson to McKibben, Mowat to Monbiot, the environmental movement can be traced in the rich history of its books. Polar bears could face extinction — so why not pack a few off to Antarctica, where the sea ice will never run out? A review of Carole Travis-Henikoff's Dinner With a Cannibal: The Complete History of Mankind's Oldest Taboo. Its economy may be booming, but Nigeria is convulsed by a personality clash between its old president and his successor.