back now with omar mcgee, greg carr and rock newman. you're teaching undergraduates, how do you walk that line, what do you tell them? >> we recently hosted coats, i'm not going to lie to you, i'm not going to sugar coat it, you must protect your black body because it's perpetually at risk. extreme inequality in terms of poverty, extreme inqueanlt in terms o inequality asfar as access to e. work together so you can somehow help to balance the scales and increase the possibility that you'll be able to live to the fullest of your human ability. >> rock newman, you looked out at the crowd 20 years ago, did you think the conversation would still have this tone in 2015, what would we tell our boys? would we be still asking that question? >> i had an optimism that day and afterwards for a good period of time that things were -- we weren't to the promise land but we were headed in the right direction. and since the onset of the elections in early 2000, i think that there has been a role back of civility, there has been a roll back of voting ri