(CNSNews.com) - Current federal law threatens veterans with possible prison terms and hefty fines if they keep the machine guns they used during their war service prior to 1968. But two congressmen are trying to change the law and a leading veterans' group says it's about time. U.S. Reps. Chris Cannon (R-Utah) and Jim Gibbons (R-Nev.) have introduced legislation that would allow veterans to keep the machine guns they brought home as souvenirs following their service in America's military. Cannon the legislation would give veterans 90 days in which to register their firearms with the Treasury Department. But there...