Obama Pushes UN to Confront Chemical, Nuclear Weapons The president seeks international cooperation in speech to the General Assembly in New York. Obama on Economic Crisis: 'We're Running Out of Time' In his weekly address, the president discusses the threat of a government shutdown. No Solution on Horizon for Potential Government Shutdown Concern that another government shutdown, possible default could derail a surging economy. Carney Defends Credibility After Assad Claims ABC's Jonathan Karl questions White House spokesman on accuracy of claims about Syrian president.