https://timesofindia.indiatimes.com/world/us/obama-mccain-admit-greatest-moral-failings-of-their-lives/articleshow/3374550.cms https://timesofindia.indiatimes.c

https://timesofindia.indiatimes.com/world/us/obama-mccain-admit-greatest-moral-failings-of-their-lives/articleshow/3374550.cms https://timesofindia.indiatimes.com/world/us/obama-mccain-ad... This came out on top when searching for it. To be fair, he phrased it it as “experimenting with drugs”, but as far as I know only the Cannabis is publicly known.