Richard Gil Kerlikowske, commissioner of U.S. Customs and Border Protection testifies before the House Homeland Security Committee on 'National Security and Law Enforcement: Breaking the New Visa Waiver Law to Appease Iran' on Capitol Hill on February 10, 2016 in Washington, D.C. Questions have been raised over the misuse of visa waivers, exempting some individuals from the Visa Waiver Program Improvement and Terrorist Travel Prevention Act that was passed into law last year.