An aggressor nation or extremist group could gain control of critical switches and derail passenger trains, or trains loaded with lethal chemicals.

Companies should be able to share specific threat information with the government without the prospect of lawsuits hanging over their head.

Russians understand strength, and if they feel that their opponents are weak, they will take advantage of it.

Al Qaeda still remains a threat.

The political and substantive reality is that the agenda has to change. I don't think they have any choice.

I know that young people sometimes, caught up in the moment, make some very foolish decisions.

In this century, the 21st century, the U.S. recognizes our prosperity and our security depends even more on the Asia-Pacific region.