Positive psychology is a discipline tailor made for American culture. Our cultural DNA inclines us towards optimism and positive thinking. These days we’ll even send positive vibes your way, and what can be wrong with that? If you ask Barbara Ehrenreich, the author of the bestselling book Nickel and Dimed, she’ll tell you what’s the problem in 10 animated minutes. Like the Philip Zimbardo video we featured last week (The Secret Powers of Time), this clip comes from the RSA YouTube Channel, which we’ve now added to our collection of Intelligent YouTube channels.