At his first meeting as a member of the Foreign Relations Committee, Sen. Rand Paul, R-Ky., told Secretary of State Hillary Clinton he would have fired her over the attacks at a U.S. consulate in Libya.The hearing was the first time Clinton was able to testify about the Benghazi attacks and it was marked by tense exchanges with Republican committee members. Clinton defended her actions, and called out Congress for not adequately funding security requests.In his opening statement, Paul rebuked Clinton's leadership at the State Department.Kentucky's junior senator added that Clinton leaving the Obama administration was an acceptance of her culpability in what Paul called "the worst tragedy since 9/11."Watch: