evidence: After Vice President Joe Biden announces his support for same-sex marriage, Obama is forced to move up a planned announcement of his change in position. In an interview with ABC’s Robin Roberts, Obama says he has changed his mind. "At a certain point," he said, "I’ve just concluded that — for me personally, it is important for me to go ahead and affirm that — I think same-sex couples should be able to get married." [...] April 2015: Obama says that conversion therapy for minors should be banned Conversion therapy attempts to "correct" homosexual or transgender feelings. Obama’s response comes after thousands signed a White House petition in honor of Leelah Alcorn, a transgender girl who committed suicide by walking into traffic after being forced to go through such sessions, according to notes she left. Two states, California and New Jersey, have outlawed the practice.