David Rohde, journalist and executive editor at NewYorker.com, sat down with Christiane Amanpour to look back on an eventful and tumultuous week in U.S. politics; from the dramatic State of the Union address to President Trump's acquittal. He digs into Trump's relationship with Attorney General William Barr and Barr's defense of executive power. Kumail Nanjiani and Emily V. Gordon, husband and wife and the executive producers of "Little America," explain their new series that is a touching exploration of migrants in America. Our Walter Isaacson sits down with award-winning Chilean author Isabel Allende to talk about her new novel "A Long Petal of the Sea."To learn more about how CNN protects listener privacy, visit cnn.com/privacy