At first glance, Gretchen Burns-Bergman doesn’t seem like the type of person who would support the legalization of recreational marijuana. The mother of two lives in Rancho Santa Fe and works as fashion producer. But years ago Burns co-founded Parents for Addiction Treatment and Healing (PATH). She’s also part of Moms United, a group of California parents who support Proposition 19. “It’s time to change the way we’re dealing with this,” said Burns.