Poll : 25 percent of the public say stimulus has helped the middle class . Poll : 54 percent say stimulus has helped workers , investors . Congressional Budget Office : Stimulus will cost $ 1 billion more than stimulus .
Poll : 25 percent of the public thinks stimulus has benefited the middle class . Poll : 54 percent say stimulus has helped bankers , investors . Congressional Budget Office : Stimulus will cost $ 75 billion more than expected .