This spring, the San Francisco chapter of the American Institute of Architects gave three of its design awards “to housing complexes built by nonprofit developers, while an urban design commendation celebrated the rebirth of a public housing project. This isn’t a fluke, or political correctness applied to subsidized housing. It reflects a surprising aspect of today’s urban landscape: Many of the most progressive buildings — both in appearance and function — are designed expressly for low- and moderate-income residents.”