Federal prosecutors launched an attack on medical marijuana shop owners last week, vowing to shutter state-licensed marijuana dispensaries regulated by local governments and threatening landlords with property seizures. The decision to crack down on medical pot establishments in the Golden State was a collective decision by four U.S. attorneys in California and not the result of any directive from Washington, according to a spokesman for California-based U.S. Attorney Andre Birotte Jr. Continue reading after the jump. @capriSUNshine