article_snippet: Talks, no talks, agreement, no agreement, The United States of America will take whatever steps are necessary to protect our national security and that of our closest allies,' she said to an audience of thousands. '
article_snippet: our believe diplomacy is the preferred route to secure our shared aim.
article_snippet: But if diplomacy fails, we know the stakes of a nuclear-armed Iran as well as everyone here.
article_snippet: U.S. is seeking to secure a framework agreement to curtail Iran's nuclear program in exchange for sanctions relief ahead of a late-March deadline.
article_snippet: U.S. is negotiating alongside Britain, France, Germany, Russia and China.