Jonathan Abrams - New York Times bestselling author of “Boys Among Men” and “All the Pieces Matter” and award-winning staff reporter for The New York Times. In “THE COME UP: An Oral History of the Rise of Hip-Hop,” he offers the definitive account of hip-hop’s ascendancy - a multi-decade chronicle told in the voices of the people who made it happen. He joins Tavis to unpack his newest text.