John McCain: “I personally like the idea of 6-day-a-week service and think it can be helpful as part of their business model.”

I want to say to all of you that I am so honored to be here to speak before this Committee.

The Department of Energy's defense atomic energy programs are critically important to our national security.

As stressed in the newly released National Defense Strategy, Russia and other adversaries have mastered the art of conducting a systematic aggression against the United States.

A North Korean missile with a nuclear payload capable of striking the United States Homeland is no longer a distant hypothetical--it is an imminent danger.