FILE -In this Oct. 4, 2011 file photo, Sen. Al Franken, D-Minn. 

FILE -In this Oct. 4, 2011 file photo, Sen. Al Franken, D-Minn. speaks on Capitol Hill in Washington during a hearing on "Americas Agricultural Labor Crisis: Enacting a Practical Solution." Republicans figured he would be an easy target the second time around. But Franken has transformed his race into one that many national Republicans are writing off, choosing to focus their money instead on more vulnerable Democrats. He's done it in part by transforming his image from the wisecracking former Saturday Night Live star into quiet policy work. (AP Photo/Carolyn Kaster, File)
Associated Press
FILE -In this Oct. 4, 2011 file photo, Sen. Al Franken, D-Minn. speaks on Capitol Hill in Washington during a hearing on "Americas Agricultural Labor Crisis: Enacting a Practical Solution." Republicans figured he would be an easy target the second time around. But Franken has transformed his race into one that many national Republicans are writing off, choosing to focus their money instead on more vulnerable Democrats. He's done it in part by transforming his image from the wisecracking former Saturday Night Live star into quiet policy work. (AP Photo/Carolyn Kaster, File)
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