On the eve of 4/20, CBC is hosting a panel to give kids and parents the information they need before anyone tokes up. Titled 4/19, the free evening event at Vancouver Technical secondary hosted by CBC's Gloria Macarenko is aimed at informing teenagers and their parents about the medical, social and legal impacts of cannabis use for youth, with legalization in sight. Experts range from youth workers and police officers to lawyers and scientists, covering all aspects of this hazy issue. [continues 410 words]