By Alex Henderson From Richard Nixon to Ronald Reagan to Bill Clinton, U.S. presidential administrations of the past went after psychedelic drugs with a vengeance as part of the War on Drugs. But according to Mattha Busby, a reporter for The Intercept, the Biden Administration is seriously rethinking that policy. According to a newly revealed letter that Miriam Delphin-Rittmon, assistant secretary for mental health and substance use, sent to Rep. Madeline Dean of Pennsylvania on May 13, the Biden Administration “anticipates” that the drugs MDMA and psilocybin will be approved by regulators for…