The Bank of Canada purged the image of an Asian-looking woman from its new $100 banknotes after focus groups raised questions about her ethnicity. The original image intended for the reverse of the plastic polymer banknotes, which began circulating last November, showed an Asian-looking woman scientist peering into a microscope. The image, alongside a bottle of insulin, was meant to celebrate Canada’s medical innovations. But eight focus groups consulted about the proposed images for the new $5, $10, $20, $50 and $100 banknote series were especially critical of the choice of an Asian for the largest denomination. “Some have concerns...