Former New Jersey Senator Bill Bradley ran for president in 2000 and today he’s headed back to Iowa to formally endorse former Vermont Governor Howard Dean’s bid for the White House. This is Dean’s second big endorsement; former Vice President Al Gore came to Iowa last month to announce he’s backing Dean. Massachusetts Senator John Kerry — one of Dean’s competitors for the Democratic party’s presidential nomination — says endorsements don’t mean much here. Kerry says Iowans are “so independent minded, and so strong and clear, that they listen to their own hearts and their own guts.” Kerry says the last time he checked, Bill Bradley doesn’t vote in Iowa. Kerry says he’s gained the support of 26 Iowa Legislators. He says that’s more than any other candidate, and those folks will provide key community-level support on Caucus Night.