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Dems battle over the count

With the race between Senators Hillary Clinton and Barack Obama becoming tighter by the day -- settling the controversy over votes in Michigan and Florida may be crucial for who becomes the Democratic nominee.Obama -whose name was not on the original ballot in Michigan- holds over a 150 delegate lead in the overall race, and has remained relatively silent on the issue. Michigan Party leaders say the proposal to hold a revote is stalled and unlikely to be approved before this week's deadline. Florida Democrats have all but abandoned efforts to vote again. Katharine Jackson reports from Washington.