Flagstaff, AZ – Proposition 102 may be one of the most controversial initiatives on the November ballot. If passed, the measure would amend the state constitution to define marriage as between one man and one woman. Supporters say a constitutional amendment will help protect marriage. Opponents say Prop 102 is discriminatory...and excessive, considering same-sex marriage is already illegal under state law. Arizona Public Radio's Gillian Ferris Kohl reports.