January 22, 2016 at 8:50 AM EST
PBS
WASHINGTON — The Obama administration is tightening travel restrictions on Europeans and others who have visited Iran, Iraq, Syria or Sudan in the last five years. At the same time, officials say the new rules might not apply to travelers in certain occupations whose travels were for business.
Questions and answers about the visa-free travel program and the new rules:
How can people come to the U.S. without a visa?
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