These are not your run-of-the-mill potheads jammed into the long, narrow classroom at Oaksterdam University, a tiny campus in downtown Oakland, California, with no sign to betray its location on busy San Vicente Boulevard south of the Beverly Center. A serious vibe fills the loftlike space, where rows of desks are arranged like church pews under exposed ducts. No one clowns around or even smiles much. Instead, eyes fix intently on a screen at the front of... More >>>