Bolton says he will testify in Senate impeachment trial if subpoenaed

Former National Security Adviser John Bolton says he will testify in a Senate impeachment trial if he's subpoenaed. CBSN legal contributor and assistant U.S. attorney for New York's Eastern District, Keir Dougall, joins CBSN's "Red and Blue" to discuss.

Bolton says he will testify in Senate impeachment trial if subpoenaed
Former National Security Adviser John Bolton says he will testify in a Senate impeachment trial if he's subpoenaed. CBSN legal contributor and assistant U.S. attorney for New York's Eastern District, Keir Dougall, joins CBSN's "Red and Blue" to discuss.