For the last three decades Brian Clough has been the most charismatic manager in football. Funny, outrageous, sentimental, he stands out sharply from the bland men in suits. Though his talent has earned him a fortune, he remains a working-class hero. As a player he was one of the most gifted forwards of his day.He scored 251 goals in 274 League appearances - and would have scored more had a cruel injury not forced him to retire.As a manager his record was full of superlatives. He took both Derby County and then Nottingham Forest out of the doldrums of the Second Division and made them world-beatersTactically brilliant, Clough had an unmatched ability to motivate players. He is the best manager England never had. Behind his back, they call him Old Big ''Ead. He has never been far from controversy, and some of his rows, particularly with his long-standing managerial partner Peter Taylor, are the stuff of tabloid legend.Not so long ago he was televised running onto the pitch to wallop som