WASHINGTON (AFP) - The United States warned North Korea that it would face action from the international community if it does not stop exporting dangerous weapons and other illegal activities. "If North Korea will not act, it will find the United States, its allies and other partners equally prepared to respond with measures that ensure North Korea cannot threaten our countries or international stability," said Mitchell Reiss, the department's director of policy planning. Speaking at the Heritage Foundation, one of Washington's leading repositories of expertise on East Asia, Reiss said the United States was taking steps to enforce its laws...