some were given white sounding names like emily walsh or african-american names like la keyshia washington, for example. emily was 50% more likely to get a call back than lakeisha washington. people make assumptions whether it's about trayvon martin, even the future president of the united states. >> there are very few african-american men in this country who haven't had the experience of being followed when they were shopping in a department store. that includes me. there are very few african-american men who haven't had the experience of walking across the street and hearing the locks click on the doors of cars. that happens to me, at least before i was a senator. there are very few african-americans who haven't had the experience of getting on an elevator and a woman clutching their purse nervously and holding her breath until she had a chance to get off. that happens often. >> president obama joined the conversation asking americans to ask themselves, am i ringing as much bias out of myself as i can? joining us is andre perry, founding dean of urban education at davenport university. g