Professor Mak Lilla of Columbia University talks about his book, "The Once and Future Liberal." Lilla's op-ed piece in the New York Times last year, "The End of Identity Liberalism," was the most read op-ed essay of 2016, with 1.6 million views.
The number of people who identify as belonging to two or more races keeps climbing with each Census. The number of people identified as both black and white, for example, more than doubled between 2000 and 2010, from about 780,000 to 1.8 million.
A couple of weeks ago, Weekend Edition Sunday host Rachel Martin spoke to Rachel Garlinghouse, a white adoptive mother of three African-American children. Our conversation on transracial adoption drew a lot of responses, so we decided to follow up with another perspective.