SALT LAKE CITY (AP) — The medicinal use of hallucinogenic mushrooms is making inroads in U.S. states as military veterans advocate for the therapeutic value of psychedelic drugs, including in conservative states like Utah, Texas and Oklahoma. At least four states have approved studying their medicinal properties in the last two years and several U.S. cities have also decriminalized so-called magic mushrooms. Oregon is the first, and so far only, state to legalize the therapeutic use of psilocybin, the psychedelic active ingredient found in certain mushrooms. But studying them has gotten approv...