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PBS News Hour
U.S. tightens Visa Waiver Program in wake of terror attacks
As more radicalized foreigners join ISIS militants, U.S. officials this week tightened the Visa Waiver Program, which allows visitors from 38 countries to enter the U.S. for 90 days without a visa. This week, anyone from a Visa Waiver country who also has dual citizenship with Iran, Iraq, Syria or Sudan was forbidden from entering visa-free. The Washington Post's Karoun Demirjian discusses.
