At 3% in national polls, Mike Huckabee faces an uphill fight against more than dozen Republican candidates for the presidential nomination. But that hasn’t stopped him from adding another opponent in recent weeks: a bag of rainbow-colored chips. They’re not just any chips. They’re a limited edition Doritos product called “Rainbow Doritos,” presented as a partnership between Dorito’s parent company Frito-Lay and the It Gets Better project.