Danny Weiss, former chief of staff to House Speaker Nancy Pelosi, and Jonathan Burks, former chief of staff to House Speaker Paul Ryan, join Christiane Amanpour to give their impeachment analysis from both sides of the aisle. As Democrats and Republicans are lay out their opening arguments for and against the impeachment of President Trump they unpack why communication is not working between the two parties. João Doria, the Governor of São Paulo, speaks from the World Economic Forum in Davos where climate is the key theme. He discusses the climate crisis as well as President Bolsonaro's leadership in Brazil. Our Michel Martin sits down with poet Reginald Dwayne Betts to talk about his new book "Felon" which highlights the power of words when behind bars.To learn more about how CNN protects listener privacy, visit cnn.com/privacy