Jason Sokol is the Arthur K. Whitcomb Associate Professor of History at the University of New Hampshire. His new book is titled “The Heavens Might Crack: The Death and Legacy of Martin Luther King Jr.” He is also the author of two critically acclaimed books on the history of the civil rights movement, “All Eyes Are Upon Us: Race and Politics from Boston to Brooklyn” and “There Goes My Everything: White Southerners In the Age Of Civil Rights, 1945-1975.” Sokol lives in Newburyport, Massachusetts.