SAN FRANCISCO - MAY 28:  A window display featuring all white clothing is seen at a Levi's store May 28, 2009 in San Francisco, California. Levi Strauss, a long-time supporter of gay rights, is dressing up their windows and clothing with white knots at 20 of their stores across the country as a symbol of support for marriage equality. Getty Images logo Getty Images 33 months ago

SAN FRANCISCO - MAY 28: A window display featuring all white clothing is seen at a Levi's store May 28, 2009 in San Francisco, California. Levi Strauss, a long-time supporter of gay rights, is dressing up their windows and clothing with white knots at 20 of their stores across the country as a symbol of support for marriage equality.