>>As I said, if they want to make pot legal for adults, fine. But his statements about pot being "no worse" are bad science

Why bad science?
Have you seen what booze does to livers and brain cells?
This long-time smoker can attest to what smoking does to lungs.
I can't walk up an uphill golf hole without taking a few breath stops. My older brother, who never smoked, zooms right along.