When Andrea Martinez asked about medical marijuana, the question quickly turned from the political to the personal. At a town hall in a dimly lit church in Washington Monday evening, the 51-year-old Navy veteran suggested to Democratic presidential candidate Marianne Williamson that marijuana might make a suitable alternative to some of the medications prescribed to veterans, adding that she’d personally experienced suicidal thoughts on some of those drugs. Williamson reached out and touched Martinez’s arm. “I’m glad you said that.