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White House strengthens visa waiver program following Paris attacks

The nation's nearly 30-year-old visa waiver program helps bring nearly 20 million people from 38 countries to the U.S. ever year with less stringent screening.

People go through security at JFK Airport, Nov. 25, 2015 in Queens, New York City. (Photo by Spencer Platt/Getty)
People go through security at JFK Airport, Nov. 25, 2015 in Queens, New York City.Getty Images

Halimah Abdullah