Sorry, he's not what we need now, but I doubt that Winston Churchill could stop him now, the horse left the barn.
Not by lawsuits, speeches or threats of impeachment talk that will go nowhere. In two more years, Obama will have brought in millions of illegals, many of who will vote regardless of legal status. The solution, should there be one, would involve something outside the existing system that would involve much more than just Obama and result in the removal of the left from governing in the US.