Nation Jan 22

How do the new U.S. visa rules work?

The Obama administration is tightening travel restrictions on Europeans and others who have visited Iran, Iraq, Syria or Sudan in the last five years.

President Obama's decision last week to help undocumented youths obtain work visas has rippled through the presidential campaigns. Gwen Ifill and Lisa Lerer of Bloomberg News discuss the political fallout, who the new policy affects and what it means for…

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