Nancy Pelosi, U.S. Speaker of the House, sits down with Christiane Amanpour in Munich where she is attending a security conference with leaders from around the world. She gives an earnest warning to the Democrats, urging them to unify in order to defeat President Trump in the 2020 Presidential race. She discusses that, the failure to impeach and the now infamous moment of her tearing up Trump's State of the Union speech. Ukraine's President Volodymyr Zelensky, who is also attending the Munich Security Conference, answers crucial questions about Ukraine's relationship with the U.S. and place at the center of the impeachment crisis. He says he is ready to meet President Donald Trump at the White House. Then our Hari Sreenivasan talks to James Jacoby, director of new PBS Frontline documentary "Amazon Empire: The Rise and Reign of Jeff Bezos," to unpack the rise Jeff Bezos and his trillion-dollar business.To learn more about how CNN protects listener privacy, visit cnn.com/privacyLearn more about your ad choices. Visit podcastchoices.com/adchoices