A Republican lawmaker from Maryland has vowed to try to block the DC law , but Sen. Rand Paul , who is in line for a powerful Senate post overseeing the District of Columbia , has said he opposes any congressional interference on the will of city voters . Washington , and the rest of the world. Marijuana is still a restricted substance , according to the federal government , which is based in Washington , D.C .
Washington , and the rest of the world. Marijuana is still a restricted substance , according to the federal government , which is based in Washington , D.C .