Newt Gingrich actually said...
If they're within the law and it's an appropriate executive order, then I think the president has every right to do it. If it's not in current law, then he can't do it by executive order and the Congress would have to, I think, block him if he attempted to do it by executive order.
Context
Newt Gingrich discusses the legality of President Obama's potential executive orders on gun control measures.
01/09/2013