State by state, Sen. Barack Obama (D-Ill). is showing signs of breaking open a presidential race that looked deadlocked through much of September. A new wave of polls released Wednesday showed decisive leads for Obama in the critical states of Colorado, Michigan and Pennsylvania. That follows noticeable progress in polls in Virginia, which had looked safe for Sen. John McCain, and Florida, which had looked promising for McCain. This is the first time that one of the candidates has dominated state polls in the most closely contested battlegrounds.
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