America’s racial unrest has manifested itself this year in everything from #OscarsSoWhite to Black Lives Matter. This hour, we’ll talk about where we go from here with Jeff Chang, executive director of the Institute for Diversity in the Arts at Stanford University. He’ll visit the Texas Book Festival this weekend to talk about his new book, “We Gon’ Be Alright: Notes on Race and Resegregation” (Picador).