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Boxer’s Fight in California (Emily Cadei, 4/12/10, CQ-Roll Call)

To reflect polling showing a tightening general election race and California voters’ particularly sour mood about the direction of their state and the country, CQ Politics is changing its race rating from Likely Democratic to the increasingly competitive Leans Democratic.

Two polls conducted in March showed Boxer’s lead over two potential Republican challengers narrowing to a virtual tie. One of those two surveys, the Field Poll, had Boxer leading by double digits as recently as January.