"I don't get it," my cab driver says, facing the long line of cars on the freeway in front of us. We're a few hours late and a few exits away from the "biggest ticketed marijuana event" in the world, the Denver High Times Cannabis Cup. And we are not alone. The stoner holiday, 4/20, is tomorrow, but Denver has been packed with people for three days, and the cab driver has had constant fares. He'll take it, but he can't quite grok the hoopla. "They already won... More >>>