In this June 7, 2008 file photo, Al Franken, who is seeking the Democratic nomination for U. S. Senate from Minnesota, addresses delegates at the party's state convention in Rochester, Minn. (AP Photo/Jim Mone, File)
In this June 7, 2008 file photo, Al Franken, who is seeking the Democratic nomination for U. S. Senate from Minnesota, addresses delegates at the party's state convention in Rochester, Minn. (AP Photo/Jim Mone, File)