Federal cannabis reform is, after all, one of the primary campaign promises he made though he was initially sending out mixed messages on whether he would support it or not. “The truth of the matter is there’s not been nearly enough evidence that has been acquired as to whether or not it is a gateway drug,” Biden told voters just in late 2019 during a town hall meeting in Las Vegas. “It’s a debate and I want a lot more before I legalize it nationally; I want to make sure we know a lot more about the science behind it,” he says.