PBS News Hour S43 E85 April 27, 2018

Friday on the NewsHour, North Korea's leader Kim Jong Un steps over the border into South Korea to meet his counterpart in a historic meeting. Also: The plight of Rohingya refugees, a caravan of asylum-seekers at the U.S. border, Mark Shields and Mona Charen on the week's news and a new monument reckons with America's history of systematic lynching.