(AMERICANPROGRESS.ORG) — The American Recovery and Reinvestment Act, better known as the stimulus, turns 3 this week. Did it work? Michael Linden, Director of Tax and Budget Policy at the Center for American Progress, answers that question in a new video by looking at three broad but important indicators for the American economy. All three were in bad shape before the stimulus began, and all three turned around at almost exactly the moment the stimulus started. Coincidence?