Published April 29, 2013 FoxNews.com WASHINGTON – SNIPPET: "On multiple occasions, first after the 1993 World Trade Center bombing, and again after 9/11, Congress mandated that immigration officials come up with a verifiable entry-exit system to track foreign visitors. To date, the Department of Homeland Security has failed, despite spending billions in tax dollars. The current system, known as USVISIT, does take fingerprints and photos of international visitors when they arrive at U.S. airports, but it has no similar biometric exit system. The goal is to match entry and exit records to determine which individuals comply with their visa and...