There are some things that you just shouldn’t do if you’re POTUS, leader of the free world. Announcing your to-do list on Twitter for instance: Wednesday: Banning refugees and people from Syria. Then of course there’s formulating and implementing policy on the fly, using 140 characters to get your message to “we, the people”. So when you say on the campaign trail (as the incoming American president Donald Trump did) that you will build a wall between the United States and Mexico to keep immigrants out, you have to fulfill your part of the bargain and do it. And when you promise that you will make the Mexicans who you are walling out pay for the wall you are building, it’s another thing you have to stick to so you don’t lose face.

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