NEW YORK - SEPTEMBER 22: Barbara Bush speaks during the annual Clinton Global Initiative (CGI) September 22, 2010 in New York City. The sixth annual meeting of the CGI gathers prominent individuals in politics, business, science, academics, religion and entertainment to discuss global issues such as climate change and the reconstruction of Haiti. The event, founded by former U.S. President Bill Clinton after he left office, is held the same week as the General Assembly at the United Nations, when most world leaders are in New York City. (Photo by Mario Tama/Getty Images)
One of former President George W. Bush's twin daughters says she supports gay marriage.
Barbara Bush calls herself "a New Yorker for marriage equality" and says people should be able to marry the person they love.
The former president opposed gay marriage and endorsed a proposed constitutional amendment to outlaw it.
Gay rights advocates believe New York lawmakers may vote to legalize gay marriage this year. Gov. Andrew Cuomo has declared his support for gay marriage, and advocates believe they have enough votes in the legislature to pass it this year.
Barbara Bush lives in Manhattan and runs a nonprofit organization that promotes global health issues.