As the beleaguered Motor City searches for help out of its deep economic holes, voters seem prepared to shake things up Tuesday by electing the first white mayor in 40 years. Former healthcare executive Mike Duggan, 55, is known for pulling Detroit's hospital system from the brink of bankruptcy and the 82 percent black city is poised to choose him over their history of choosing a mayor who looks like they do. If Duggan beats his African-American opponent, Wayne County Sheriff Benny Napoleon, it will be a first since Coleman Young set a new precedent as the city's first black...