There is nothing like a recession to put Americans in a reflective mood. Unemployment and a devalued stock market have led many to consider whether money is the pre-eminent form of American idolatry. New York Times columnist David Brooks has called for a new culture war, a "crusade for economic self-restraint" in a self-indulgent age. Adam Sternbergh wonders whether thrift is a virtue that can be developed or a trait that must be inherited. ABC's Nightline invited Mark Driscoll to discuss the allure of celebrity and corporate idolatry. And Tim Keller has turned his attention to rooting out idolatry with his latest book, Counterfeit Gods: The Empty Promises of Money, Sex, and Power, and the Only Hope that Matters.

For Keller an idol is "anything more important to you than God, anything which absorbs your heart and imagination more than God, anything you seek to give you what only God can give." Elaborating on the book's title, Keller writes that a "counterfeit god is anything so central ...