Target’s offensive Halloween costume is a stumble at a key moment

This isn't the first time Target has found itself facing criticism over diversity issues.Justin Sullivan/Getty ImagesTarget again finds itself in the cultural crosshairs — this time over an offensive Halloween costume.The retailer quickly apologized, but the episode marks a stumble in a turnaround year.The nature of Halloween merchandising can lead retailers to make embarrassing mistakes.Target is again facing a storm of criticism over an unforced error on diversity as it tries to navigate