OPEN MIC NIGHT: It's been a while since Seattlest has gone out to Ballard for the Scratching Post Open Mic at Mr. Spot's Chaihouse, but it was always a nice, even blend of really talented folks singing and reading (and, of course, the usual occasional acts that make you wonder why you torture yourself at an open mic if you're not performing). Plus, it's free, they have beer and wine, and the best chai in......