DES MOINES — An Iowa gun control advocacy group says it has asked federal authorities to look into its allegations that many Iowa consignment auction businesses illegally sell firearms without a license. . Iowans for the Prevention of Gun Violence conducted a survey of 42 consignment auction businesses in Iowa. Out of 34 Iowa auction houses that sell firearms, only one is a licensed firearms dealer and nine others either involve a licensed dealer in their sales or... (GunPolicy.org)