Demonstrators in Iowa celebrate that state 's approval of same-sex marriage on Friday . Vermont House and Senate voted Tuesday to override governor 's veto of bill . Same-sex marriages will become legal in Vermont on September 1 . Comment: Jubilant supporters of the bill throng legislative building after the override votes .
Vermont House and Senate voted Tuesday to override governor 's veto of bill . Same-sex marriages will become legal in Vermont on September 1 . Comment: Jubilant supporters of the bill throng legislative building after the override votes .