You've already heard, I'm sure, that President Trump issued the executive order that sets the stage for the Mexico border wall to be built. Of course, presidents can issue "orders" for lots of things. Trump's predecessor issued an executive order to close Gitmo on his first day in office. That, as you know, was more than eight years ago and Gitmo outlasted the president in question.
Will Trump actually be able to follow through on his order and build the wall? According to what he told ABC's David Muir today, he will not only do so but do so quickly: