As someone who writes about marijuana for a living, it recently started to seem a little strange I hadn't actually been to the promised land of legal cannabis that Colorado has become over the past couple of years. So on Memorial Day weekend, I flew to Denver on a mission to buy weed legally. I already knew the rules. Dispensaries close promptly at 7 p.m. You must be 21 or older to buy recreational cannabis; public consumption is a no-no. And so forth. [continues 309 words]