Benjamin J. Rhodes, the White House deputy national security adviser, said the attacks in Paris demonstrated that the Islamic State was increasingly focused on attacks outside Syria. Credit Saul Loeb/Agence France-Presse — Getty Images PARIS — The White House announced changes Monday to the government’s visa-waiver program to try to stop those who have visited … Continue reading U.S. Tightens Visa-Waiver Program in Bid to Deter Militants