CHICAGO — (EFE) A collective lawsuit filed in Chicago seeks to declare a law unconstitutional that will demand proof of citizenship of 50 million Medicaid beneficiaries of throughout the country. The law, which went into effect on July 1, could lead to the loss of medical benefits for millions of low-income residents if they are not able to prove their status by presenting a passport, birth certificate, or other special documents, according to the lawsuit. In the lawsuit, which names U.S. Secretary of Health and Human Services Mike Leavitt as the defendant, the Federal District Court is petitioned for an...