For this Syrian activist, hope, like his hometown, is gone

In 2012, activist Saleh Hawa, who lead demonstrations against President Bashar al-Assad’s regime, had confidence in the Syrian opposition's prospects. Four years later, none of his hopes and all of his fears have been realized. He believed the U.S. would help put Assad out of power; now he says his country has lost faith in the world. Chief foreign affairs correspondent Margaret Warner reports.