Nobody gets it right all the time, but for those at the top, mistakes can be expensive. In this five-part series,
John Humphrys talks to successful people who have weathered major storms in their careers. Would they, with hindsight, do things differently? 1: The Rt Hon David Steel , mp, who drove the Liberal Party along the rocky road to merger before abandoning the wheel. Producer BRIAN KING BBC Pebble Mill