Overview: Donald Trump and Kim Jong-un's summit ends abruptly with no deal. Trump trusts that Kim had nothing to do with US student Otto Warmbier's death. Ohio Senator Nina Turner on her support for Bernie Sanders and her role as his 2020 Campaign Co-Chair. Exchange during Michael Cohen hearing explores nuances of doing racist stuff vs. being racist. House passes universal background check bill which will likely not pass the Senate. Director Skye Fitzgerald discusses his Oscar-nominated film 'Lifeboat' on Mediterranean refugees. Before Congress, Rep. Alexandria Ocasio-Cortez exposes the credit reporting agency Equifax.