The president made history Wednesday with something he said in an interview to ABC’s Robin Roberts. It was a momentous moment, and it was certainly a reason for optimism among those who believe that being able to marry the person you love is a basic human right. Up host Chris Hayes, along with Richard Kim, executive editor at The Nation.com, David Sirota, author of "Back to Our Future," Linda Hirshman, author of "Victory: The Triumphant Gay Revolution," and Urvashi Vaid, author of the upcoming book, “Irresistible Revolution: Race, Class, and the LGBT Imagination," discuss the significance of a sitting president’s support for gay marriage.May 12, 2012
