they consider them robin hood ds. they had cardplaying games every night. the door was never locked. >> we have seen all of these spots here. why do you think it is important to know about the history of this sound? >> it -- of this town? >> it illustrates what can happen. in the same sense, it can illustrate some of the most horrible things that happened. when you start taking revenge against someone you feel has done something wrong to you, it can get crazy. >> thank you so much for taking the time to show us around. our cities tour staff recently traveled to independence, missouri to learn about its history. learn more about stops on our tour.t c-span.org/cities you are watching american history tv, all weekend, every weekend, on c-span3. >> next, on the civil war author , and former jurist frank williams looks at the question facing union leaders in the postwar era. should ex-confederates receive pardons? he discusses president andrew johnson's lenient approach after abraham lincoln's assassination . he also talks about the cases of former confederate p