Earlier today, District of Columbia officials announced that they would file a petition for certiorari in the U.S. Supreme Court seeking review of the U.S. Court of Appeals for the D.C. Circuit's decision in Parker v. Districut of Columbia, in which the D.C. Circuit concluded that the Second Amendment protects an individual right to bear arms and struck down the District of Columbia's handgun ban for infringing upon this right. Lyle Denniston has details on SCOTUSBlog here.