Bruce Poliquin marches with his campaign workers along the parade route at Riverfest in Old Town on Saturday. Poliquin is running against Democrat Emily Cain for an open seat in the 2nd Congressional District.

Bruce Poliquin meets some of his campaign workers before joining them as he shakes hands and greets people along the parade route at Riverfest in Old Town on Saturday. Poliquin is running against Democrat Emily Cain for an open seat in the 2nd Congressional District.

Bruce Poliquin shakes hands and greets people along the parade route at Riverfest in Old Town on Saturday. Poliquin is running against Democrat Emily Cain for an open seat in the 2nd Congressional District.

Bruce Poliquin marches with his campaign workers, waving and shaking hands, along the parade route at Riverfest in Old Town on Saturday. Poliquin is running against Democrat Emily Cain for an open seat in the 2nd Congressional District.

Bruce Poliquin shakes hands and greets people along the parade route at Riverfest in Old Town on Saturday. Poliquin is running against Democrat Emily Cain for an open seat in the 2nd Congressional District.

Bruce Poliquin shakes hands and greets people along the parade route at Riverfest in Old Town on Saturday. Poliquin is running against Democrat Emily Cain for an open seat in the 2nd Congressional District.

Bruce Poliquin stops to pose for a photo with a supporter as he shakes hands and greets people along the parade route at Riverfest in Old Town on Saturday. Poliquin is running against Democrat Emily Cain for an open seat in the 2nd Congressional District.

Bruce Poliquin stops to pose for a photo with a supporter as he shakes hands and greets people along the parade route at Riverfest in Old Town on Saturday. Poliquin is running against Democrat Emily Cain for an open seat in the 2nd Congressional District.

Bruce Poliquin marches with his campaign workers, waving and shaking hands, along the parade route at Riverfest in Old Town on Saturday. Poliquin is running against Democrat Emily Cain for an open seat in the 2nd Congressional District.