BANGKOK (Reuters) - Thai community groups want to use a logo featuring two elephants having sex for next year's World AIDS conference in Bangkok but the plan has been criticised by health authorities because the bull is not using a condom. "The logo fails to convey any meaning," Dr Sombat Tanprasertsuk of the Thai government's disease control department was quoted as saying in the Nation newspaper on Tuesday. "There is only one message which people will get: that community workers are obsessed with sex. And it doesn't show the male elephant wearing a condom." The official logo for the meeting...