Rep. Barney Frank, a member of the committee drawing up the Democratic Party platform, said the draft document includes language backing gay marriage. The Republican platform is expected to still define marriage as the union of a man and a woman. (Associated Press)

Rep. Barney Frank, a member of the committee drawing up the Democratic Party platform, said the draft document includes language backing gay marriage. The Republican platform is expected to still define marriage as the union of a man and a woman. (Associated Press)