A popular marijuana website has told the state’s cannabis czar that she lacks the authority to make the company stop running advertisements for unlicensed pot retailers. In a letter sent Monday to Lori Ajax of the Bureau of Cannabis Control, Doug Francis and Chris Beals of Weedmaps.com said the company is not licensed by the bureau and therefore not subject to its enforcement. They also said Weedmaps is protected from such action because the company is an “interactive computer service” covered under the federal Communications Decency Act. The law states that such a service shall not be treated as the