(CBS) Americans continue to oppose the idea of same-sex marriage and would support a constitutional amendment to ban it. Yet most do not feel that the issue should be part of the 2004 Election campaign, or that it is important enough to warrant the effort to change the Constitution – though opponents of same-sex marriage believe that it is. In fact, opponents are much more likely to view same-sex marriage as an issue that will make a critical difference in how they vote in November, and that group currently supports George W. Bush. SAME-SEX MARRIAGE A constitutional amendment that would...