'Black Food' gives a taste of the African Diaspora; Remembering NPR's Petra Mayer

We talk with Bryant Terry, editor and curator of the new book "Black Food: Stories, Art, and Recipes from Across the African Diaspora." And, NPR Books editor Petra Mayer died unexpectedly on Saturday. Producer Emiko Tamagawa, who worked with Mayer on Here & Now segments, has a remembrance.