Why China sent the global markets spiraling

Aired: 8/24/2015 | 0:09:18 | Clip
A stunning selloff in China rippled across Europe and triggered a frenzy on Wall Street. At the closing bell, American traders cheered, glad that the day was over. Judy Woodruff discusses the recent global market volatility with David Lampton of Johns Hopkins University and Mohamed El-Erian of Allianz.