Ohio’s Republican gubernatorial front-runner Ken Blackwell is “Jesse Jackson’s worst nightmare.†Ken Blackwell has just finished regaling a group of Ohio retailers with his vision of how to turn around the state’s struggling economy with a heavy dose of fiscal restraint and tax cuts. The crowd, accustomed to Republicans who tax and spend as furiously as Democrats, is rapt. But as Blackwell works the room afterward, on a warm fall afternoon in Columbus, one well-dressed woman stops him to outline her concerns. “I like your ideas on taxes,†she tells the former college football star, who at 6 foot 5...