The Iowa House yesterday passed a constitutional amendment that, if approved by voters, would ban same-sex unions in the state. The vote garnered 62 votes in favor and 37 against. If the House opened their ears and paid attention to some of the speakers, it may have changed their minds, especially if they listened to 19-year-old Zach Wahls. This University of Iowa student spoke with such resolution and convincing dictation, you’d have to be a complete bigot to feel that same-sex marriage is damaging. Check out the video after the jump…