But Michael New, a post-doctoral fellow at the Harvard-MIT Data Center, has inspected the South Dakota Secretary of State's Web site to discover other striking facts: While Democrat Tim Johnson ran statewide about 12 percentage points behind what Mr. Daschle got in his 1998 Senate victory, in Shannon County Mr. Johnson ran about 12 percentage points ahead. He got 92% of the vote compared with Mr. Daschle's 80%. Nowhere else in the state did Mr. Johnson improve his vote share relative to Mr. Daschle. Senate voter turnout was up 27% statewide for this year's close contest compared with 1998,...