President Barack Obama addresses the nation in a live televised speech from the East Room of the White House in Washington, Tuesday, Sept. 10, 2013. President Obama blended the threat of military action with the hope of a diplomatic solution as he works to strip Syria of its chemical weapons. (AP Photo/Evan Vucci, Pool)

Obama conditionally backs offer on Syria

President Barack Obama conditionally endorsed a Russian offer for international inspectors to seize and destroy deadly chemical weapons in S…