U.S. President Barack Obama visits the National Defense University at Army post Fort McNair to mark the 20th anniversary of the Cooperative Threat Reduction Program

President Obama visits the National Defense University at Army post Fort McNair to mark the 20th anniversary of the Cooperative Threat Reduction U.S.-Russia program to secure nuclear weapons in former Soviet states. Obama praises the work of Senators Dick Lugar (R-IN) and former Senator Sam Nunn (D-GA) telling humorous stories of his first foreign trip as a senator from Illinois with Lugar. Obama speaks of his administration's commitment to nuclear disarmament, and addresses the civil war in Syria, warning its President Assad that "there will be consequences" if he uses chemical weapons against Syrian citizens. Obama is introduced by Defense Secretary Leon Panetta.