If there are witnesses the government interviewed who suggest other people were involved or that Tim McVeigh was not involved, those are critical matters that would have to be investigated.

It is critical that we have a comprehensive energy plan to provide affordable and reliable supplies of energy so that our economy will not be dependent on foreign sources of energy.

Climate change is real and humans do contribute to those changes.

We often take for granted that our lights will come on when we flip the light switch, but the reality is that our reliability standards and the current state of the transmission grid leave us all vulnerable to blackouts.

I'd love to tell you that something is going to change tomorrow. But the reality is that it won't.

We must engage in a whole-of-government approach to combat Russian active measures.

The terror attacks of Sept. 11, 2001, changed the way we think about security.