Former National Security adviser John Bolton speaks on stage during a public discussion at Duke University in Durham North Carolina on February 17...
{"Image ImageDescription": "Former National Security adviser John Bolton speaks on stage during a public discussion at Duke University in Durham, North Carolina on February 17, 2020. - Bolton was invited to the school to discuss national security weeks after he was thought of as a key witness in the impeachment trial of President Donald Trump. (Photo by Logan Cyrus / AFP) (Photo by LOGAN CYRUS/AFP via Getty Images)"}