His campaign has used this for some time as an effort to kind of buttress his national security flank by saying I might be his running mate,

When it comes to national security, well, he's all bully and no pulpit, ... He said he was gonna have a humble foreign policy, but he's alienated with his arrogance nearly every one of our partners and allies.

Carnegie Mellon's ... effort will, for the first time, establish a public-private partnership that will help safeguard our national security,

He has said for a long time that it's a national security issue, our reliance on foreign oil. We haven't built a new refinery in this country in two decades. I think what's happening here is things are coming home to roost.

He has said for a long time that it's a national security issue, our reliance on foreign oil, ... We haven't built a new refinery in this country in two decades. I think what's happening here is things are coming home to roost.

I think you're going to see a heavy concentration in the months ahead on national security items and making sure that terrorism doesn't revisit American shores.