Supporters of gun rights are applauding today's Supreme Court ruling that Americans have the right to own a gun for self-defense anywhere they live, expanding the conservative court's embrace of gun rights under Chief Justice John Roberts. The 5-4 ruling cast doubt on handgun bans in the Chicago area but signaled that some limitations on the Constitution's "right to keep and bear arms" could survive. Tonight, we ask: Do you side with the court? Or should states and cities be able to restrict firearms as they see fit? Tell us what you think. Embedded below is tonight's "World News" segment, as reported by "Nightline" anchor Terry Moran.