Many Republicans were sharply affected by last November's disastrous election and have become more pragmatic about their priorities. Mr. Giuliani, while adhering to his positions, insists he is a strict constitutionalist and will appoint judges who are the same. While gun control is just one of the hot-button issues that may present a problem for Mr. Giuliani during the Republican primary campaign, there is an overriding issue that might make this and other social issues moot — the war on terror. I briefly met Mr. Giuliani in 2004 at a Harvard Club luncheon honoring the posthumous publication of William E....