A New Mexico health provider and cannabis advocate is at the forefront of the possible massive change to how marijuana is treated in the United States. Bryan Krumm, a nurse practitioner and director of Harmony Psychiatric, filed a petition in 2009 to have cannabis taken off Schedule I of the Controlled Substances Act. Substances in Schedule I are considered to be the most dangerous, have no medical use and have a high potential for abuse. Krumm’s is one of three pending petitions. Earlier this month, the Drug Enforcement Administration sent a letter to the U.S. Senate indicating a decision on marijuana will be made sometime this summer.