Snow in Midwest leads to fatal 25-vehicle pileup

This photo provided by the Iowa State Patrol shows the scene of a 25-vehicle pileup that killed three people Thursday, Dec. 20, 2012 north of Des Moines, Iowa.  Authorities said drivers were blinded by blowing snow and didn't see vehicles that had slowed  Photo by
This photo provided by the Iowa State Patrol shows the scene of a 25-vehicle pileup that killed three people Thursday, Dec. 20, 2012 north of Des Moines, Iowa. Authorities said drivers were blinded by blowing snow and didn't see vehicles that had slowed Photo by
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