U.S. states should turn over more records to a national list of people barred from buying guns or face rising penalties, Sen. Charles Schumer said in introducing new legislation to Congress on Wednesday. The proposal is part of efforts to keep those who could not pass background checks from buying guns, spurred by the January 8 shootings in Tucson, Arizona which left six people dead and wounded U.S. Rep. Gabrielle Giffords and 12 others. The U.S. maintains a database... (GunPolicy.org)