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But when they're busy doing their job, they're distracted. The biases are still going to be operative and influence them unless you change the practices and the policies, the bottom line is we don't know how to change the biases in a meaningful, lasting way, because they're... the way we think normally and they're based on years of exposure. So in the absence of being able to change them, we need to change the way people make decisions and the way that they act.