Sen. Barack Obama said Thursday he wanted to tap into the "core decency" of Americans to fight discrimination against gays and lesbians, and argued that civil unions for same-sex couples wouldn't be a "lesser thing" than marriage. At a televised forum focusing on gay rights, the Illinois senator was asked to explain how civil unions for same-sex couples could be the equivalent of marriage. He said, "As I've proposed it, it wouldn't be a lesser thing, from my perspective. Obama belongs to the United Church of Christ, which supports gay marriage, but Obama has yet to go that far. All...