Reported by: Breitbart Gabby Giffords’ gun control group, Giffords, is calling on major credit card companies to flag gun and ammunition purchases. Giffords posted a tweet Sunday, which said, “The shooters in at least 5 mass shootings have stockpiled guns & ammo using credit cards and killed 145 people. Visa, Mastercard, and American Express have … Continue reading Gabby Giffords’ Gun Control Groups Ask Major Credit Cards to Flag Gun, Ammo Purchases