President Donald Trump fired Kristi Noem as head of the Department of Homeland Security and said he would tap Sen. Markwayne Mullin, R-Okla., to replace her. Noem oversaw the administration’s sweeping mass deportation campaign and tough border crackdown, but faced growing bipartisan calls to resign after a controversial federal operation in Minneapolis left two American citizens dead. NBC News Senior Homeland Security Correspondent Julia Ainsley discusses what finally led to her ouster and what it could mean for DHS. Plus, China’s leaders are warning that economic growth is slowing and the war between the U.S. and Iran could add fuel to the fire, as it disrupts key trade routes that China relies on for oil and other goods. NBC News Correspondent Janis Mackey Frayer joins from Beijing to explain how all this could affect an upcoming high-stakes meeting with Trump. Hosted by Simplecast, an AdsWizz company.