Leonard Pitts: Democrats need to move left

I've been struggling with this question for a month.It's been that long since a Democratic state legislator rose during the Q&A; after a speech and asked me a deceptively simple thing: What should Democrats do now? What should their message be?I had no idea how to answer that, nor even any confidence that I was the one to do it. It seemed to me it was a question not for a professional kvetcher uninterested in the nuts and bolts of political machinery, but, rather, for some high-powered opera