Political junkies know Barack Obama won the presidency in 2008 with broad margins of victory among the young, new voters and Hispanics, and he's trying to renew their enthusiasm. But the exit polls from 2008 reveal a few other shifts that aren't always mentioned:
—You may know that Obama improved on 2004 Democratic nominee John Kerry's share of the vote among women by 5 points. But he grew support among men by exactly the same amount.
—Obama gained 10 points on Kerry's support among those at the lowest end of the income scale. Among those at the highest end, with family incomes of $200,000 or more, he gained 17 percentage points.
—Obama did just 3 points better than Kerry among independents. Vote among partisans didn't change much either, but there were fewer Republicans in the 2008 electorate than in 2004.
—Among working voters, Obama outperformed Kerry by 10 points, among working women, it was 9 points.
—And regionally, Obama saw the biggest improvements in the West (outscoring Kerry by 7 points) and the Midwest (a 6-point gain).
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