Williams' Rubens Barrichello confesses he found himself rubbing his eyes in disbelief at what he saw at Hockenheim. The man who spent so long partnering Michael Schumacher at Ferrari never thought the Italian team would dare to do it again after Austria 2002. The Brazilian admits it made him happy to be where he is now - not at the front of the grid perhaps, but approaching his 300th Grand Prix confident of plenty more to come. We spoke to him about Williams' form, team orders, and his hopes for the Hungarian Grand Prix weekend…