MAYVILLE, N.D. (AP) — Off a dirt road a mile-and-a-half from the nearest town, Democratic Senate candidate Heidi Heitkamp is standing in the loft of a barn, giving a campaign pitch heavy on personal appeal: She talks about her independent voice and a work ethic that she took to the state attorney general's office, all gleaned from a life firmly rooted in North Dakota."Ya know?" she says over and over, seeking connection to a crowd of mostly older Democrats.Freshman Rep. Rick Berg, Heitkamp's Republican opponent, tends toward campaign riffs that are...

More...