PBS News Hour S43 E55 March 16, 2018

Friday on the NewsHour, an exclusive interview with South Korean Foreign Minister Kang Kyung-wha about President Trump's trade threats and diplomacy with the North. Also: Could Russia shut down the U.S. power grid, Shields and Brooks on the White House's revolving door, a view of the border from Arizona's first poet laureate and why a high-end tailor is giving his suits away.