Michael G. Mullen: “The presence piece of this is so powerful in so many ways, and it's enduring, and it prevents conflicts.”

These weapons are for war; they are not for sport. Assault weapons are designed to kill as many people as possible in the shortest time possible.

It sickened me yesterday to see security personnel, including members of the National Guard forcibly and violently clearing the path through Lafayette Square to accommodate the President's visit outside St. John's Church.

I'm more afraid of the red ink than the red menace.

This is a moment when more investment in diplomacy and development is needed, not less.