The Untapped Benefits Of Cross-Racial Friendships

It's a phrase many of us have heard — maybe even said — when talking about people who are different from us.

"Some of my friends are..." — and fill in the blank.

A new book takes a different spin on that phrase, exploring the challenges of cross-racial friendships.

Deborah Plummer, author of "Some of My Friends Are...The Daunting Challenges and Untapped Benefits of Cross-Racial Friendships." She is also Vice Chancellor/Chief Diversity Officer for UMass Medical School and UMass Memorial Health Care. She tweets @DebbiePlummer.