David Coulthard bows out this weekend after 246 Grands Prix, slightly less than Rubens Barrichello, who doesn’t know yet whether this will be his last Grand Prix. Rubens wants to stay at Honda and some of his performances lately have been strong as he drives home his candidacy. Jenson Button wants him to stay and says that Ross Brawn believes Rubens is driving better now than when he was at Ferrari. Knowing when the game is up is the classic dilemma of the ageing racing driver. DC, like Alain Prost, Mika Hakkinen, Damon Hill and Michael Schumacher has acknowledged that More…