In a two-part conversation, the Princeton professor argues that a “value gap” in America is keeping us from seeing each other as fellow citizens, and it’s stunting our democracy.

In part two of Bill's interview with the Princeton professor, he explains why he believes the Democratic Party should be "challenged to its core" by black voters this November.

Bill speaks with the scholar and Princeton professor about the tremendous racial inequalities that remain as the final term of America's first black president draws to a close.