At crucial moments in modern British history, it has been the actions of pairs of politicians that have changed the course of government. In this original account, acclaimed political biographer Giles Radice shows how combinations of politicians, often with contrasting though complementary talents, have at key `crossroad moments' worked together to shape events. Despite clashing ambitions, sometimes conflicting, and always strong egos, these leaders were able to overlook their differences in pursuit of a common cause, proving that cooperation can exist between political rivals.