when you think aarp, then you don't know "aarp" find more surprising possibilities and get to know us at aarp.org/possibilities welcome back. i'm melissa harris-perry. it's graduation season. yesterday first lady michelle obama delivered the commencement address at us the ke ghee university and spoke about the tuskeegee airmen. >> instead of being defined by discrimination and doubts of those around them they became one of the most successful -- >> on friday we saw another according to a report on the grio.com the founder of t nt academy in georgia failed to allow time during the graduation exercises for the class