TWEET For decades the U.S. government has knowingly given illegal immigrants food stamps, according to a former certification case worker who denounced the costly practice back in the 1980s but was essentially ordered to keep a lid on it.The retired assistant case manager, Craig McNees, was in charge of vetting food-stamp applicants in north Florida and Indiana in the ’80s and says the program was infested with fraud and corruption that was perpetually ignored by management. “Illegals would come in by the vanload and we were told to give them their stuff,” McNees said. “Management knew very well they...