ఇరాన్‌లో సుదీర్ఘ పోరాటానికి అమెరికా సిద్ధమవుతున్నట్లు కనిపిస్తోంది

As the U.S. enters its second week of war in Iran, indications show that the military is preparing for a longer fight. Sources tell CBS News that a third aircraft carrier strike group is primed to deploy to the Middle East. Charlie D’Agata reports.