Policies and practices set up to avoid discrimination in the past have a tendency to expire. Remember, 'Don't Ask Don't Tell' was originally set up to protect gay service-members within the US forces. Similarly, the often unofficial rule of having one woman on hiring committees has reached its expiry date. Primarily as a result of effective equality and diversity campaigns in the 1980s and early 1990s, many departments instituted either an explicit or informal policy to include 'at least' one woman on each hiring committee- usually after finding that most hiring committees included no women,...