Will new Lebanese border rules discourage refugees?

Aired: 1/5/2015 | 0:05:11 | Clip
Lebanon is imposing new rules on who can cross its border as the country strains to cope with the world's worst refugee crisis. Humanitarian groups are worried the policy with trap Syrians in a war zone with no way out. Chief foreign affairs correspondent Margaret Warner joins Gwen Ifill to discuss the conditions in Lebanon and how the restrictions will affect refugees.