Energy has become a national security issue and as technology continues to improve, there will be more debates like the one on Keystone.

This, post 9/11, is a situation that we can't explain or can't afford from a national security standpoint,

Global energy security is a vital part of America's national security.

This increase shortchanges American consumers and national security because automakers already have the technology to raise fuel economy much more significantly.

A comprehensive national energy policy is critical to our nation's economy and our national security. Energy expenditures account for about 7% percent of our total economy and influence pricing in the much of the rest of the economy.

A safe, affordable and plentiful supply of food is a national security issue.