Gov. Bob McDonnell (R-Va.) has long been on almost everyone's short list for the Republican vice presidential nomination. But now McDonnell's national security credentials have come into question, thanks to his mishandling of a bill passed by the Virginia General Assembly.

When it comes to national security, Pawlenty isn't Minnesota nice -- he's a Minnesota hawk. But to carry his message for a strong American leadership in the world Pawlenty first needs a strong showing in the Iowa straw poll.

The failure of any Republican candidate to make the case for vigorous American leadership in the world during last week's Republican presidential debate has sparked a debate in Washington: Is the Republican Party becoming increasingly isolationist?

Foreign policy and national security will take center stage tonight as Republican presidential hopefuls tackle questions from American Enterprise Institute and Heritage Foundation scholars live on CNN.

You would not know it from the GOP debates so far, but the next president of the United States will also be the next leader of the free world. It is critical that the candidates debate the vital foreign policy issues they would face in the White House.

At a time when US forces are engaged in combat on three continents, one would think that national security would be front and center in any debate between those vying to become the next commander in chief. But national security received scant attention at Monday's Republican primary debate in New Hampshire.

Senator Harry Reid is trying to divide the electoral base of Sharron Angle, his Republican opponent, and to portray her as an extremist, but she can win by focusing on the right issues.