Marriage Moves Voters Extending constitutional protection to traditional marriage is hardly a narrow partisan affair. By William C. Duncan Beyond their practical effects, the very fact that 30 states have amended their constitutions to protect the definition of marriage in just over a decade is remarkable. This week, Arizona, California, and Florida joined the 27 states with existing marriage amendments. The most interesting campaign was in California where voter approval of Proposition 8 reversed a May decision of the California Supreme Court. That decision had purported to discover a previously unknown mandate to redefine marriage as the union of any...