Sen. Hillary Rodham Clinton, D-N.Y., lambasted President Bush for supporting a constitutional amendment banning gay marriage, and her comments boosted a grassroots campaign pressing her to run for president in 2004. Sen. Clinton made her most extensive comments to date on the anti-gay marriage amendment Thursday in New York City at a fund-raiser for the Empire State Pride Agenda (ESPA), a nonpartisan civil rights and political advocacy organization for the state's lesbian, gay, bisexual and transgender people. Clinton predicted the amendment will be at the "center of the presidential election next year" and will be used by people "who try...