America‚Äs suburbs are not the homogenous places we sometimes take them for. Today‚Äs suburbs are racially, ethnically, and economically diverse, with as many Democratic as Republican voters, a growing population of renters, and rising poverty. The cliche of white picket fences is well past its expiration date. The history of suburbia is equally surprising: American suburbs were once fertile ground for utopian planning, communal living, socially-conscious...