Obama: U.S. intensifying IS strategy on all fronts

Aired: 11/23/2015 | 0:02:28 | Clip
After the terror attacks in Paris and the wider European alert, President Obama pledged while traveling in Malaysia to take the fight back to the Islamic State. The U.S. role in battling the militant group has evolved in recent months, but the current policy has been questioned by political opponents and former Obama appointees alike. Gwen Ifill reports.