Despite hard economic times, author Lee Eisenberg says Americans still have the urge to spend, spend, spend. In his new book "Shoptimism," the former Esquire editor explores why we buy things, how we shop and the sorts of tricks the advertising industry plays on consumers. What kind of shopper are you? Do you only buy what you need? Or are you easily swayed by your heart?

Guest:

Lee Eisenberg, author of "Shoptimism: Why The American Consumer Will Keep On Buying No Matter What" (Free Press), and former editor-in-chief of Esquire