Photography do you need prescription for viagra in mexico Facing Russian and Chinese disapproval that could dampen prospects for proposed peace talks in Geneva, Assadâs foes have vowed to punish a poison gas attack in some rebel-held districts of Damascus on August 21 that killed hundreds. desvenlafaxine news Economists havenât figured out yet how much money, if any, the state could garner if it taxes the medical marijuana, which would have to be grown or produced by the treatment centers. The economists face a variety of unknowns as they grapple with the issue, including whether the pot would be an over-the-counter type drug which would be tax exempt.