ATLANTA (AP) — The slaying of five dozen people in Las Vegas did little to change Americans' opinions about gun laws, a poll finds. The nation is closely divided on whether restricting firearms would reduce such mass shootings or homicides, though a majority favors tighter laws as they have for several years, according to the poll from The Associated Press-NORC Center for Public Affairs Research. The massive divide on stricter limits remains firmly in place. The survey was conducted from Oct.