The social psych studies actually show that women have more biases than men, so in fact you could say that women should therefore not be promoted to supervisory positions.--Evelyn Becker, Partner, O'Melveny & Myers, LLP, defense attorney in Dukes v. Wal*Mart , speaking at a University of Connecticut Law School symposium on Wal*Mart.
(Thanks to PrawfsBlog for the tip.)