FILE - In this Aug. 28, 2010, file photo, Republican Ken Buck and his wife, Perry Buck, await the beginning of the Colorado State Fair Parade in Pueblo, Colo. Buck is defending himself against ... more 
FILE - In this Aug. 28, 2010, file photo, Republican Ken Buck and his wife, Perry Buck, await the beginning of the Colorado State Fair Parade in Pueblo, Colo. Buck is defending himself against accusations from Democratic Sen. Michael Bennet that he's too conservative to represent the state. Just five weeks from Election Day, groups allied with the Republican Party and financed in part by corporations and millionaires have amassed a crushing 6-1 advantage in television spending, and are now dominating the airwaves in closely contested districts and states across the country. less 
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Associated Press | Photo By Kristen Wyatt, File
Mon, Sep 27, 2010 5:50 PM EDT