It's election day, folks. Only most of you don't know it. Here in LA, we're picking which of the 5 mayoral candidates are going to advance into the runoff, at which point they can bludgeon each other senseless in a one-on-one air war. But, unlike the unrelenting disappointment that has been national politics, LA's election is an all-Democrat affair, which means the issues are subordinate to personal rivalries, ethnic tribalism, and good media strategy. In other words, it's a lot of fun. So here's your guide to the hopefuls: