Chuck Grassley actually said...

"I would take a moment to publicly thank you, Director Mueller, for your service to America."

"National security letters are an essential part of building blocks of national security investigations. They have never had a sunset in law."

"I have always appreciated your candor and your willingness to work with us to get answers even if we do not always agree."

"Well, then I think you answered this question just now, but let me ask it anyway."