U.S. demographics are changing. Much of the talk around that topic focuses on aging Boomers and the migration of Millennials back into cities. But there are other demographic changes as well. The caucasian population will start to shrink in the next ten years, while Hispanic and Asian populations are expected to double over the next few decades. This has implications for housing requirements. Maya Brennan interviewed William Frey,  a noted demographer and senior fellow at the Brookings Institute, about what those implications are.