NEW YORK (AP) — The National Rifle Association is facing a corporate backlash as companies take a closer look at their investments, co-branding deals and other ties to the gun industry following the latest school massacre. A handful of companies have ended discount programs with the NRA as the group aggressively resists calls for stricter gun control after a gunman killed 17 people at a Florida high school last week. The moves came as petitions circulated online targeting companies offering discounts to NRA members on its website.Read more on NewsOK.com