DETROIT – Like the rundown houses and shuttered storefronts in his Detroit neighborhood, bleakness abounds in LeRoy Taylor's future. He is among tens of thousands reaching adulthood in a city where the American Dream appears just outside their reach. Taylor, 20, spends empty hours on basketball courts, zoned out in front of a television or aimlessly pedaling through streets he desperately wants to leave, but doesn't have the work skills, education or money to do so. "I fill out applications. No one will call me back," said Taylor, stopping his bike long enough to hustle change for cigarettes near a...