Richard Slotkin, the Olin Professor of English Emeritus, is the author of the book, No Quarter: The Battle of the Crater, 1864 published by Random House on July 21. No Quarter is a dramatic recount of one of the Civil War’s most pivotal events — the Battle of the Crater on July 30, 1864. At first glance, the Union’s plan seemed brilliant. A regiment of miners would burrow beneath a Confederate fort, pack the tunnel with explosives, and blow a hole in the enemy lines. Then a specially trained division of African American infantry would spearhead a powerful assault to…