President Barack Obama signs the certification for the repeal of the "Don't Ask, Don't Tell" law in the Oval Office in the White House, July 22, 2011. Pictured, from left, are: Brian Bond, deputy director of the Office of Public Engagement; Kathleen Hartnett, associate counsel to the president; Defense Secreteary Leon E. Panetta; Kathryn Ruemmler, counsel to the president; Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, and Vice President Joe Biden. (White House photo by Pete Souza)