11/04/2008 05:12 am ET Updated May 25, 2011

Obama Gaining Ground In Crucial States

With 31 days until the election, Democrat Barack Obama's road to the White House is widening, and Republican John McCain's electoral path is narrowing.

The McCain campaign's decision this week to abandon Democratic-leaning Michigan is the most obvious and dramatic sign, a major tactical retreat that limits the ways he can reach the magic number of 270 electoral votes on Nov. 4.

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