That, he said, was "not by any desire on my part or my colleagues but because we do not understand each other properly". Some union leaders privately blame No10 for allowing the relationship to collapse. They have complained that several of Mr Blair's key fixers, including Industry Minister Ian McCartney and Downing Street staff member Jon Cruddas, have moved on, the first to another department and the second to become an MP. And they say their replacements are not trusted.