Michael G. Mullen: “This is a moment when more investment in diplomacy and development is needed, not less.”

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.

A fully-integrated foreign policy requires a fully-resourced approach. Our troops, Foreign Service officers and development experts work side-by-side in unprecedented and ever-increasing cooperation as they execute our strategic programs.

The most significant threat to our national security is our debt.

U.N. peacekeepers help reduce the risks that major U.S. military interventions may be required to restore stability.