US to focus on Asia-Pacific for greater security: Obama

A future free of dictatorship, terror and fear," he said. Attributing the tough sanctions on Iran for bringing Tehran on the negotiations table, Obama threatened to veto any Congressional bill that imposes new sanctions on Iran as negotiations of curtailing the latter's nuclear weapons programme continue. "The sanctions that we put in place helped make this opportunity possible. But let me be clear: if this Congress sends me a new sanctions bill now that threatens to derail these talks, I will veto it.