Prime Minister Harold Macmillan has a reputation for being unflappable. But ambitious young Tory backbenchers have long complained that he is not ruthless enough in cutting away political liabilities and making room on his Cabinet team for new faces. Harold Macmillan last week again proved that he can be both flappable and ruthless. In a move that shook Britain, he summarily fired seven members of his 21-man Cabinet and reshuffled twice as many portfolios. Inevitably, the press called him "Mac the Knife."
Macmillan's action was triggered by last week's by-election at North-East...