Stat: 40%: 4 in 10 Americans identify with a race other than White. Story: In our first episode on race and research, we explore the diverse story of America. William Frey, senior fellow at the Brookings Institution and an internationally regarded demographer, highlights the latest census findings and what they say about the nation today. And we examine what these changes mean for society—and the evolving national conversation about race—with the Pew Research Center’s director of race and ethnicity research, Mark Hugo Lopez.