numbers you know so well and i'll give to viewers here. 120 attacks on black churches in 1996. there were hundreds of such attacks in the '90s itself. that frustration and concern, are we getting back to those horrible old days? >> well we just don't know. the truth is of course that those church burnings in '95 and '96 many turned out to be not racially motivated. many churches are burned every year in arsons but the vast majority are drunk teenagers burning a church in the woods, they are easy targets and so on. that is the worry in the wake of charleston charleston. dylann roof wanted to start a race war. it seems entirely possible that there are people out there who are trying to take him at his word. it's probably worth mentioning that this church mt. zion was