tonight we introduce a new segment: "inko-nomics with david gillette." david's an award-winning illustrator and essayist at twin cities public television. tonight, he tries to answer the question, "who's responsible for the mess we landed in?" >> hi, everybody, here is the story with the economy: sometimes it goes up, sometimes it goes down. of course, lately it has been mostly down. and we're told that even the smartest people and ot planet aren't exactly sure why this keeps happening. well, i have a confession to make. it is me. this guy right here. it is my fault. my name is david, and i'm the unidentified market variable that destroyed your way of life. i know it is hard to believe that someone en my position could devastate the global market place. the first investment i ever made way during college. the s&p 500. about 48 hours later, the entire technology sector goes up in a mushroom cloud of ridiculous expectations, and the stock market reacts accordingly. coincidence? i'm not so sure. how about real estate. a few years later, i bought my first ho