Perhaps they can start to mimic the recent success of Pittsburgh ~ economic and cultural wise.
That's precisely the place they need to look to. Detroit needs to step wayyyy ahead, instead of playing catch-up, they gotta be first. At least near first, green city. It's the largest salt mine, and the great lakes too, that much nature around will inevitably help a green, eco friendly agenda, so to speak. There's so much to be gained. Cheap buildings, lots of parking.
Public transport is a huge issue too. I want to see a detroit that helps join blacks and whites. the segregation keeps holding the city back.