There are legions of people who take the notion of implicit bias very, very seriously. Hillary Clinton thought it could explain why cops shoot black suspects. Diversity trainers make piles of mone ...

Calvin Lai: We don't know. We really don't know. Narrator: And a lot of that uncertainty has to do with our understanding of implicit bias in general. So, what do we know? Implicit biases are ...

During that first debate, Clinton said she believes “implicit bias is a problem for everyone, not just police,” adding that “when it comes to policing … it can have literally fatal ...