No change of leadership happens overnight, as political parties don’t lightly cull their leaders, especially in government. Inevitably, it involves much disruption and lasting bad blood. It’s hard to vote no-confidence in the prime minister without casting aspersions on the government too. It only happens when a majority of MPs have concluded that they’d be more likely to gain promotion, win their seats, or hold government under someone else. The question for me is not just what others might have done wrong but what I could have done better or differently to have made the coup less likely. Inevitably, some…