The Syrian government's refusal to abide by its commitment is "precisely what we have been concerned about, " said Susan Rice, U.S. ambassador to the U.N.

CNN: STORY HIGHLIGHTS

So we will continue to abide by that commitment and work towards its fulfillment.

WHITEHOUSE: Press Briefing

That encourages cohesion and commitment, because it stems from a conscious decision to live in a country and abide by its rules.

ECONOMIST: Citizenship