Top US Officials Push for Authorization to Combat IS

A U.S. Senate panel has grilled three top U.S. officials about President Barack Obama's request for an authorization to use of force against Islamic State militants. The three-year authorization calls for continued limited use of military force to combat the extremist group, which is terrorizing parts of Iraq and Syria. Many of the questions posed at Wednesday's hearing dealt with concerns about Iran’s growing influence in the region. VOA's Pam Dockins reports.