Article Photos: WHY IT MATTERS: Issues at stake in election 9/31

  FILE - This Aug. 12, 2012 file photo shows a bullet hole on a door frame inside the Sikh temple in Oak Creek, Wis. Frightening episodes of gun violence have been splayed across front pages with alarming frequency this campaign season: The movie theater killings in Colorado, the Sikh temple shootings in Wisconsin, the gun battle outside the Empire State Building, and more. Guns are used in two-thirds of homicides, according to the FBI. But the murder rate is less than half what it was two decades ago. (AP Photo/Jeffrey Phelps, File)