Foreword / by David Altshuler -- Genetic gumbo : Branford Marsalis and Harry Connick Jr. -- The long arc of freedom : John Lewis and Cory Booker -- What's in a name? : Barbara Walters and Geoffrey Canada -- Redemption : Kyra Sedgwick and Kevin Bacon -- The children of Abraham : Rick Warren, Angela Buchdahl, and Yasir Qadhi -- From the Old World to the New : Robert Downey Jr. and Maggie Gyllenhaal -- Shadows : Samuel L. Jackson, Condoleezza Rice, and Ruth Simmons -- Crossings : Margaret Cho, Sanjay Gupta, and Martha Stewart -- Neither slave nor free : Wanda Sykes, John Legend, and Margarett Cooper -- In the footsteps of conquistadors : Michelle Rodriguez, Linda Chavez, and Adrian Grenier.