The Ohio senator, who was vetted by the Romney campaign as a potential vice president, said having a gay son changed his mind.
The Republican senator says changes to the tax code and other policies could benefit gay couples without 'redefining' marriage.
President Obama 'evolved' further on marriage equality this week, telling ABC's George Stephanopoulos that he can't fathom how any state-level ban on marriage equality is constitutional.
New Zealand lawmakers gave a second vote of approval to a bill that could establish marriage equality as soon as next month.
The Minnesota Senate Judiciary Committee sent the bill forward with a 5-3 party line vote.
French native Wilfried Knight died March 5, two weeks after his American husband took his own life, following years of unsuccessful efforts to have their Canadian marriage legally recognized in the U.S.
Minnesota state Rep. Glenn Gruenhagen continues on his quest to prove that homosexuality can be rejected or prayed away.
Former Rep. Lynne Osterman said voting to ban marriage was politically expedient, but unfair to Minnesota's same-sex couples.