Morgan Stanley's rising star moves closer to top job; The bank promotes its trading chief even as it builds out other parts of the business Ben McLannahan in London and Alistair Gray in New York – FT Morgan Stanley is no stranger to bitter power struggles. One of the most dramatic regime changes ever seen on Wall Street took place at the bank in 2005 when John Mack seized the helm. It followed a bruising battle over the leadership of Phil Purcell, who had forced Mr Mack out four years earlier. /jlne.ws/2m7IhrV