A second whistleblower, cracks in GOP support, and national security implications

President Trump may soon have a new antagonist: a second whistleblower with direct knowledge of the administration's Ukrainian dealings. Meanwhile, cracks emerge in the president's GOP support. CNN political director David Chalian and national correspondent Athena Jones are joined by national security analyst Sam Vinograd to talk through the latest headlines and examine if Trump put America at risk.To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices