Associated Press CHEYENNE - Wyoming Attorney General Pat Crank has sued the federal Bureau of Alcohol, Tobacco, Firearms and Explosives, saying the agency is relying on a "hyper-technicality" to refuse some Wyoming residents - people convicted of misdemeanor domestic violence - the right to bear arms. "We really are arguing about what is an 'expungement' - that is the critical question here," Crank said Wednesday. "Essentially, what the dispute involves is the meaning of the word 'expungement' and how it is applied to firearms disability under federal law," said Eric Epstein, division counsel for the ATF field office in Phoenix....