books.google.com.au - Opponents of same-sex marriage in the United States often claim that allowing gays and lesbians to marry will lead to the downfall of the institution of marriage and will harm children. Drawing from 16 years of data and experience with same-sex unions in Scandinavia, Gay Marriage: For Better or for Worse?...http://books.google.com.au/books/about/Gay_Marriage_for_Better_Or_for_Worse.html?id=PFpd8dq7jJcC&q=legal+union&utm_source=gb-gplus-shareGay Marriage: for Better Or for Worse?