Canada could be leader in global cannabis market, O’Leary says Dragons’ Den star thinks Canada can ‘own it’ NEWS 01:26 PM by Alison Langley The Niagara Falls Review Investor and television personality Kevin O’Leary was the keynote speaker at the Grow Up Cannabis Conference & Expo held at the ScotiaBank Convention Centre in Niagara Falls. – Bob Tymczyszyn , The St. Catharines Standard