The lesbian daughter of US Vice President Dick Cheney hit out at President George W. Bush's support for a constitutional amendment proscribing gay marriage. Mary Cheney, 37, told Fox News Sunday that the idea, which was backed strongly by Bush's Republican Party during his 2004 re-election campaign and continues to be promoted by many conservatives today, was "a bad piece of legislation". "I think that is what the federal marriage amendment is, it is writing discrimination into the constitution. "It is writing discrimination into the constitution and, as I say, it is fundamentally wrong." "I would also hope that no...