The 10 days that shook the world

It used to be that a newly elected president or prime minister had to complete 100 days in office before you could draw a relatively safe conclusion about their intentions. Not so with Donald Trump, the 45th president of the United States. One could say that everything takes place at nearly internet speed. After all, it's online (and especially on Twitter, which seems tailored to his temperament) that Trump codifies his delicate thoughts before announcing them to the rest of the world - which is not just the American people.

So his first 10 days in power were enough to reveal the style and moral character of a man who operates with the same hazardous simplicity and intellectual shallowness whether he is running a reality TV show or the world's biggest superpower. Trump's executive order on Friday to bar Syrian refugees and suspend travel to the United States from seven Asian...