The Claws of a Bear Market

The meteoric rise of the U.S. stock market over the past two years has come to an abrupt end. A steep downturn recently has led to what’s known as a bear market. But what does that mean, and why might policymakers have to hurt the economy to help it in the long term? Guest: Jim Tankersley, a White House correspondent for The New York Times, with a focus on economic policy.