PolitiFact | A stimulus report card

“Our short answer is that the stimulus has had a big impact, and has helped bring the economy out of recession,” said Gus Faucher, director of macroeconomics at Moody’s Economy.com.

via PolitiFact | A stimulus report card.

By any honest assessment, it has indeed worked.  I think it was oversold by Obama and criticized all too often disingenuously by opponents, but on the whole, it did what Keynesian economics says this kind of spending is supposed to do.