William C. Duncan: The More the Merrier

William C. Duncan writes at the American Spectator: “While the United States is occupied with the federal challenge to California’s Proposition 8, Canada has its own pending marriage case, which is likely headed for the Canadian Supreme Court. Canada, which redefined marriage nationwide to include same-sex couples in 2005, against the backdrop of successful provincial lawsuits against the country’s marriage law, could be moving on to bigger things — literally. Specifically, polygamy and polyamory, as this case invokes the question of whether the government can continue to criminalize multiple-partner marriages . . . “