Gallup Poll: Obama Rising; Up 11 Points in Week

The latest Democratic numbers show Hillary Clinton with a 43% to 39% advantage over Barack Obama among Democratic voters nationwide. That 4-point lead is the narrowest since early January, and it is a continuation of gains by Obama. The impact of John Edwards' exit from the Democratic race is less clear. Wednesday night's numbers (the first with Edwards excluded from the ballot) show no clear indication that either candidate is benefiting disproportionately. Clinton and Obama will debate in California tonight, which could affect Democrats' support for the two candidates going into the weekend before Super Tuesday's primaries and caucuses. -- Jeff Jones

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Especially with this margin of difference between the two, Super Tuesday will be won or lost in individual states.