The latest poll from Public Policy Polling (PPP), released today, revealed that 47% of likely Colorado voters support Amendment 64, the Initiative to Regulate Marijuana like Alcohol. This marks a slight increase over PPP's previous poll conducted in June, which showed only 46% approval. As of this latest poll, 38% of likely Colorado voters disapprove of Amendment 64, which marks a four point decrease since PPP's previous poll in June.