Democrats launch fresh push for gun control after Las Vegas shooting

Washington • It didn’t work after mass shootings at a nightclub in Orlando, Florida, college campuses in Virginia and Oregon, a church in Charleston, South Carolina, or at a movie theater and high school in Colorado. Or after two lawmakers survived assassination attempts. But after a gunman killed 59 people and wounded more than 500 at a Las Vegas concert, Democrats are going to try again to revamp the nation’s gun laws.Stunned by the mass carnage caused at a country music festi