Benghazi: The House GOP has threatened to subpoena the survivors of the Benghazi terrorist attack, those who know the truth, and hold up the nomination of our murdered ambassador's replacement. It should do both. The Obama administration is fond of using a familiar tactic, the shield of an "ongoing investigation," to cover up its malfeasance in the deaths of Americans serving their country. It was used to hide the truth regarding the administration's Fast and Furious gun-running operation to Mexican drug cartels, which resulted in the deaths of agents Brian Terry and Jaime Zapata. They are using it again concerning...