Today on my show, Senator Barack Obama surprised me by calling in for a few minutes to urge you to vote for him in the Super Tuesday primaries.

Since the race is unlikely to be decided after the results are in tonight, I asked him what he hopes to accomplish, and where he goes from here. He turned the discussion to the economy — which he says the public asks him about a lot more than the war in Iraq — and we discussed whether as President, he can really do anything about personal economic issues like home foreclosures and the price of gas.

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