A Pew Research Center Survey last month found that 47 percent of Americans now favor allowing gay couples to marry
File photo shows activists carrying a rainbow flag on the West Lawn of the US Capitol Building. A Pew Research Center Survey last month found that 47 percent of Americans now favor allowing gay and lesbian couples to marry -- well up from 39 percent in 2008 and 31 percent in 2004. Forty-three percent remain opposed.