Al Franken made a campaign stop in Mankato today.The senate candidate was joined by Congressman Tim Walz and Senator Amy Klobuchar at MSU.During ''For the Middle Class, For a Change'' rally, Franken said he plans on helping Minnesotans and Americans reach for what he called the ''promise of America,'' something he says has become a distant reality over the last 8 years.Al Franken says, ''What I believe is that what this election is about and what the next 4-8 years are gonna be about is bridging that chasm and fulfilling once and for all the promise of America.''The team started their campaign earlier in the day with stops in Rochester, Owatonna, and Faribault.