and from atlanta is isabella wilkerson, the pulitzer-prize winning author of "the warmth of other suns" about southern black migration. we welcome all three of you to the program. wilson -- russell moore let me start with you. what role does the confederate flag play in the identity of the south today do you believe? >> i think confederate battle flag is a symbol that causes a great deal of division and reminds us of a hurtful legacy and past. i think people see it in different ways. what some people see in the confederate flag is a sense of southern assertion that the south matters. so for instance i was at a conference one time where the speaker, every time he would reference saying something ignorant, would do it in a southern accent. i think there are some southerners, black and white who feel as though the rest of the country looks down on the south as uneducated and backward, and for some people that was a similar balance of defiance against that, but it's really clear the way the confederate battle flag has been used, not only initially in terms of the confed ral states of ameri