They'll be looking for large weapons, potential weapons that could do grave harm in the stadium.

Simply, it's in recognition that significant additional security is offered through pat-downs.

If people are arriving within 30 minutes before kickoff, they might miss the kickoff.

In French doctrine, nuclear weapons are meant to deter attacks against 'vital interests,' to create uncertainty among potential attackers about what these interests could be. But here, things get defined. That's a change.

Biological weapons are no longer a potential threat, but a real threat to the safety and security of the United States,

Dealing with those things and training officers to the new approach and the new weapons and the new drugs that we're seeing today.