But in winning campaigns, I would guess that the leader is able to manage that internecine struggle in a way that boosts his standing in the polls.

FORBES: How Bain Would Fix Mitt Romney's Campaign

But despite dismay over this internecine struggle, which to outsiders seemed fueled entirely by personal ambitions, most of the big donors, including the World Bank and Asian Development Bank, have continued to honor their commitments.

CNN: A DEEPENING TRAGEDY

Whatever the rationale, the long internecine Tory struggle between Eurosceptics and Euro-enthusiasts is over: the sceptics won.

ECONOMIST: David Cameron