Department of Homeland Security officials are considering requiring European travelers to keep their fingerprints on file with the United States if they want to visit the country without a visa. The proposal is one of a series of measures being developed by the department’s policy office in response to a growing fear that terrorism may originate in Western Europe rather than the Middle East. Requiring Europeans to register their fingerprints would minimize the chances of passport fraud, which security specialists believe is a growing danger. Full Story