Dave Davies

Singer Rebecca Kilgore with pianist Dave Frischberg recorded in 1999.

Rebecca died last week at the age of 76.

We send our condolences to her family, her friends, and her fans.

On Monday's show, we hear from Heather McGee.

Her book, The Sum of Us, asks why so many Americans believe that progress for one group means loss for another.

On Martin Luther King Jr.

Day, a conversation about the cost of that belief and who she says is really paying.

I hope you can join us.

Fresh Air's executive producers are Danny Miller and Sam Brigger.

Our senior producer today is Roberta Shorrock.

Our technical director and engineer is Audrey Bentham, with additional engineering support from Joyce Lieberman, Julian Hertzfeld, and Diana Martinez.

Our interviews and reviews are produced and edited by Phyllis Myers, Anne-Marie Baldonado, Lauren Krenzel, Teresa Madden, Monique Nazareth, Thea Chaloner, Susan Yakundi, Anna Bauman, and Nico Gonzalez-Wisler.

Our digital media producer is Molly C.V.

Nesper.

For Terry Gross and Tanya Mosley, I'm Dave Davies.

This is Fresh Air.

I'm Dave Davies.

Many Americans appalled by the violence of the January 6th assault on the U.S.

Capitol likely assumed that the rioters came from regions where Donald Trump had his deepest support.

But researchers from the University of Chicago found that most came from places Joe Biden had won in the election.