Article: Winning formula Neither Schaffer, Udall can control all the intangibles.(News)

Byline: Lynn Bartels, Rocky Mountain News

The formula hasn't changed in three decades: Bob Schaffer and Mark Udall need to win Denver's suburbs to become Colorado's next U.S. senator.

But if the formula is certain, the intangibles are not - and political experts say it's the factors neither candidate can control that may determine the winner in the Nov. 4 general election.

Will the rising cost of gasoline continue to boomerang the Republicans' way or can Democrats take back the energy issue they once dominated?

If problems plague the Democratic National Convention when it comes to Denver this month, does that hurt Udall?

Will a possible tidal wave of ...

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