Ram Dass admits in the article using LSD as an attempt to seduce a male student, against the specific strictures of the University. You aren't allowed to drug people to seduce them. That shouldn't need to be said. But he still thinks that's fine.
"...I got dismissed from Harvard because I had given psychedelics to an undergraduate. We had agreed with the dean that we would not give psychedelics to undergraduates.” Ram Dass flashes a mischievous grin. “He was an attractive kid.”
That's all that is said about the situation.