Will the U.S. ever embrace social housing?

Forget the opera and the Schönbrunn Palace. Some of the hottest tourist attractions in Vienna these days are the city’s social housing complexes. Delegation after delegation of American politicians, housing advocates, and journalists have descended upon the Austrian capital to see government-owned housing developments that are nothing like those in American cities. At Karl-Marx-Hof and Alt-Erlaa, residents ranging from the very poor to the upper middle class live side by side, sharing...