A landmark bill that would decriminalize marijuana use at the federal level is up for vote soon. The U.S. House of Representatives is set to vote on the legislation in September, according to an email sent out on Friday by Majority Whip James Clyburn. Politico first reported on the pending vote. The "Marijuana Opportunity Reinvestment and Expungement Act of 2019" -- also called the MORE Act -- would officially remove cannabis from the list of…