(Ok last rant on this then I close it.)
The book isn't out yet, no one knows what it's about. I personally find all this Gwen Ifill crap offensive in suggesting that she is so short sighted, money grubbing and unrespectful that she would write something approaching AN ENDORSEMENT OF A CANDIDATE. 9/10 chance, this book will be about the history of black politicians from civil rights until now, how the rhetoric has changed how the audience has changed. How each politician played his or her own game, examining that and contextualizing it. IN A DETACHED HISTORICAL PERSPECTIVE. This has been written about before, New York Times did something just like it earlier this year, there was no endorsement nor sucking up to candidates in the article, it just noted and examined the change between the politicians of Jesse Jackson Sr. and Jesse Jackson Jr.'s respective generations.
If it is anything else I will eat my words, but Ifill's past work hardly puts her in the same boat as some other black journalists who would write a book about a political candidate during an election season. Her work during the VP debate as you seen not to mention her past moderating of Newshour guests (which people may or may not have seen but which I have) speaks for itself.