"asked Michael if he thought she could have become the Labour Party leader: "I don't think so, really," Michael answered decisively. "What stopped her?" I asked. "The business of understanding other people's positions and working together--I don't think she [Barbara] had much ... " Michael did not complete his sentence but switched instead to saying Callaghan had a much better sense of the whole party. I observed to Michael that Castle's diaries revealed that she often found Michael's behaviour in cabinet difficult to understand. "You were responding to other people's positions ... and therefore you would seem less focused than she was." Quite right, Michael said."