Former Vice President Dick Cheney interviewed on CNN . Cheney says Obama would be worse off than Jimmy Carter . Some conservatives like Sarah Palin call for Obama impeachment . NEW : Cheney takes no responsibility for Iraq , says Iraq 's debacle mainly due to Obama .
Former Vice President Dick Cheney interviewed on CNN . Cheney says Obama may be worse president than Jimmy Carter . Some conservatives like Sarah Palin calling for Obama impeachment . NEW : Cheney takes no blame for Iraq , says today 's debacle mainly due to Obama .