confederates who had betrayed the union and with the people whose free labor bill to the country's wealth and over whose freedom the civil war had been fought. the north conciliatory embrace with the former confederates compelled frederick douglass to remind americans there was a right side and a wrong side in the late war that ought to cause us to forget. adding it's no part of our duty to confound right with wrong or loyalty or treason. joining us now, is isabel wilkerson, pulitzer prize-winning journalist, and the author of the new york times bestseller "caste - the origins of our discontents". isabelle, eager to talk to you as i always am. coming off that discussion we are just having here about the privacy of the civil war to think about where we are today.