keli goff is here and the floor is yours. >> thanks, dylan.regated south, i am well aware of the fact that being followed around the store by a suspicious salesperson, which has happened to me, apppa in comparison with being called the "n" word every day, which happened to my mother. but is subtle racism even more damaging to black americans than blatant racism. toure asked hundreds of black americans dozens of questions on race. one of them being, what's the most racist thing that's ever happened to you, though the "n" word was mentioned, it wasn't as disturbing to subjects as what's called the unknowable. it's something that may have been withheld because of race. but ultimately, they'll never know for sure. this lack of clarity combined with the missed opportunity haunts them in a way being called the "n" word by some jerk out in the open rarely does. the unknowable has become the more common form of racism. the reason, well, it's one thing to struggle to find a job in a tough economy, something people of all races are grappling with. but c