How is a witness supposed to respond to such a statement? It is not a question which calls for an answer. A witness who attempted to respond would be called out-of-order, or worse, his microphone would be turned off.
It's remarkable that even after these explosive revelations about the veracity of the 60 Minutes report, some wish to continue to waste time, energy, and taxpayer dollars to continue this misguided crusade.
You heard it here, the former Secretary of State, Hillary Rodham Clinton was right. Like she said, "what does it matter?". What does matter is that the Congress is wasting our time and money rehashing rhetoric instead of reason.