U.K. Ambassador To China On U.S. Trade Tensions, Iran Nuclear Deal

The Trump administration and China are engaged in a trade war: China imposed new retaliatory tariffs on $60 billion worth of U.S. goods, days after the White House said it would impose higher tariffs on $200 billion in Chinese goods. Also, the U.S. is putting pressure on the other countries that signed the Iran nuclear deal to support the Trump administration as it ramps up pressure on Tehran. Here & Now's Jeremy Hobson talks with Dame Barbara Woodward, U.K. ambassador to China, about increasing tensions.