Weiss Susan Director, Division of Extramural Research NIDA USA In Programme October, 23 11:50 to 13:20 Hours & Dates Wednesday, October 23 11:50 Discussion Cannabis legalisation in Canada and the US: policy variation, state of the evidence and ideas for future research 11:50 to 13:20 Auditorium I Rosalie Liccardo Pacula Susan Weiss Hanan Abramovici Beau Kilmer François Gagnon