Room at the top? – The speculation around the possible departure of Carlos Brito seems to have calmed down – for now. Rather like sports team managers, there's little point in getting rid of a CEO if there's nobody better to take their place, and Michel Doukeris, CEO of US arm Anheuser-Busch, appeared to be the only credible successor last autumn. But, 17 years in the hot seat is a long time, so some kind of succession planning is not merely prudent, but necessary