It is textbook science, it is not a theory in that sense. It is fully established and virtually unchallenged.

I think that the theory that the executive branch can't act or decide or respond to reality until Congress has directed it to is a mistake.

I would urge you to not mimic the ostrich that puts its head in the sand and look to the facts around you.

The amount of carbon pollution that mankind has released into the atmosphere is not a theory, it is a fact.

My sense is that's obviously a challenge to you and Secretary Panetta.

I think we've learned to our disappointment that contracting out some of these procedures doesn't help, either.

I urge you to ensure you link up, because some of the problems that military personnel face in terms of paying bills...

this is the next war or it may be even the present war

I don't think I've heard it as insightfully or thoughtfully put in terms of the cultural challenges facing the Department.

History often suggests that we fight the last war and prepare for the last war.

I think we all recognize now that, even in the context of low-intensity conflict, that cyber activities are becoming increasingly more important.

It is a pleasure and a privilege to have the opportunity to formally introduce General Martin Dempsey to this committee.

Your efforts in Afghanistan and Pakistan are significant, but you also look to other places--Yemen particularly of concern at the moment; Somalia, there is indication of operations there.

I salute you, your colleagues, and the SEALs for extraordinary operations, and thank you.

I sympathize with my fellow panelist's comment that it becomes very, very scary if a government agency can take an action that would alter the controls of the power grid, because it is just a scary thought.

Since then, threats to our critical infrastructure have only grown, with news reports suggesting that there is interest by malicious actors in exploiting vulnerabilities in the U.S. power grid and other critical infrastructure.

the Ranking Member Langevin has suggested we need firmer regulations and standards, and I agree with that

The threat is increasing in scope and scale, and its impact is difficult to overstate.