Acclaimed documentary 'For Sama' finds love amid loss of Syrian war

A recent onslaught of violence in Syria's Idlib province, the last holdout of Syrians opposed to the regime of Bashar al-Assad, has prompted condemnation from the U.S. Hundreds of thousands have been driven from their homes. The offensive comes as two films about the Syrian war are nominated for best documentary in Sunday's Academy Awards. Nick Schifrin reports on the poignant story of "For Sama."