SOUTH DAKOTA
REPUBLICAN
JOHN THUNE
The Giant Killer
Elections are not just about votes. They're also about symbols. And for Senate Republicans, minority leader Tom Daschle has long been Moby Dick. Here was a Democrat from a solidly Republican state, South Dakota, who not only couldn't be defeated but also seemed to emerge from each legislative and electoral battle bigger and more powerful. So when John Thune arrives in Washington next year, he will not be just another freshman Senator. He will be a conquering hero--the man who vanquished the G.O.P.'s 18-year obsession.
Thune, a clean-living former Congressman (friends say he...