Sen. Chuck Grassley (R-IA) has an 8-point lead on his Democratic opponent, retired Navy Adm. Michael Franken, 47% to 39%, in the latest Des Moines Register/Mediacom Iowa Poll.
The last time Grassley, 88, won an election by just 8% was his first election to the U.S. Senate in 1980.
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Taegan Goddard
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