Daily Kos writes, Ever since the tragic attack on the U.S. consulate in Libya that killed Ambassador Chris Stevens and three other Americans, "Benghazi" has been the Republican response to almost every question. Despite receiving the report of the State Department's Accountability Review Board (whose recommendations were immediately endorsed by the Obama administration), hearing the testimony of the outgoing secretary of state, secretary of defense and head of the CIA, and getting additional information demanded from the White House, GOP senators have threatened to block the nominations of the president's…