FLINT, United States (AFP) - As yet another auto plant prepares to shut is doors, the mayor of Flint, Michigan has come up with a radical - and possibly illegal - plan: a city-run assembly plant. The aim is to bring much-needed jobs to a town that has sunken even further into despair in the 15 years since film maker Michael Moore documented the first round of plant closures by General Motors in his award-winning "Roger and Me". Boarded-up houses and businesses darken the city's streets. Abandoned lots are choked with weeds and trash. Schools are crumbling. The bright lights...