] Congress passed, and the president signed, legislation cutting off the Social Security Checks of elderly Nazis, many of them former US citizens, deported for lying on their immigration forms about whether they had been Nazis: President Barack Obama on Thursday capped a swift and forceful response to an Associated Press investigation by signing into law a measure that bars suspected Nazi war criminals from receiving U.S. Social Security benefits. AP's investigation, which was the impetus for the No Social Security for Nazis Act, found that dozens of former Nazis collected millions of dollars in retirement benefits after being forced to leave the United States…