FILE - In this July 4, 1967 file photo Kay Tobin Lahusen, right, and other demonstrators carry signs calling for protection of homosexuals from discrimination as they march in a picket line in front ... more 
FILE - In this July 4, 1967 file photo Kay Tobin Lahusen, right, and other demonstrators carry signs calling for protection of homosexuals from discrimination as they march in a picket line in front of Independence Hall in Philadelphia. President Barack Obama's declaration that he supports gay marriage may have lacked the urgency of Kennedy's push for the Civil Rights Act, or the force and finality of the Emancipation Proclamation, but in places key to the history of gay rights, it's being greeted as a major milestone. (AP Photo) less 
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Associated Press
Thu, May 10, 2012 6:30 PM EDT