POLITICSPhotos: Tim Kaine campaigns in MadisonDemocratic vice presidential candidate Sen. Tim Kaine (D-Va.) speaks during a visit to the Democratic party campaign office in MadisonAmber Arnold/Wisconsin State JournalDemocratic vice presidential candidate Sen. Tim Kaine (D-Va., left) shakes hands with Democratic Senate candidate Russ Feingold after being introduced at the Democratic party campaign office in Madison.Amber Arnold/Wisconsin State JournalDemocratic vice presidential candidate Sen. Tim Kaine (D-Va., right) takes a photo with George Olufosoye, a campaign organizer from Milwaukee, during a visit to the Democratic party campaign office in Madison.Amber Arnold/Wisconsin State JournalDemocratic vice presidential candidate Sen. Tim Kaine (D-Va., left) enters the room with Democratic Senate candidate Russ Feingold during a visit to the Democratic party campaign office in Madison.Amber Arnold/Wisconsin State JournalDemocratic vice presidential candidate Sen. Tim Kaine (D-Va.) in Madison for a fundraiser for Democratic presidential nominee Hillary Clinton.Patrick MarleyDemocratic vice presidential candidate Sen. Tim Kaine (D-Va., left) and Democrat Russ Feingold talk in Madison at a fundraiser for Democratic presidential nominee Hillary Clinton.Patrick MarleyDemocratic vice presidential candidate Sen. Tim Kaine (D-Va., center) poses for a photo in Madison at a fundraiser for Democratic presidential nominee Hillary Clinton.Patrick Marley