Isabel Wilkerson discusses her critically acclaimed book, The Warmth of Other Suns: The Epic Story of America’s Great Migration Dec. 18, at a holiday party of for the Journalists Roundtable at the Washington, D.C. home of Paul and Anita Delaney. Delaney, a former New York Times senior editor, is the winner of the 2010 Lifetime Achievement Award of the National Association of Black Journalists.