Kerry was subpoenaed by House Oversight Committee to appear . ` The subpoena came after the State Department said it had been unable to locate any emails from Clinton's private server that were not among those turned over in response to a congressional request for all work-related em@@ The terror attack in Benghazi killed four Americans . NEW : Oversight Committee hearing set for June 12 .
Kerry was subpoenaed by House Oversight Committee to appear . The subpoena came after the State Department said it had been unable to locate any emails from Clinton's private server that were not among those turned over in response to a congressional request for all work-related em@@ The terror attack in Benghazi killed four Americans . NEW : Oversight Committee hearing set for June 12 .