“What is good for the United States is good for the rest of the world,” has been Treasury Secretary Steven Mnuchin’s mantra. Americans know how stock prices have exploded in the United States since President Trump’s election, but stock prices started rising at the same time around the world. To the shocks of Trump’s American opponents, he was greeted by the international elites at the gathering in Davos, Switzerland as almost a conquering hero. Meanwhile, George Soros told people at the meetings that he thought that Trump was a “danger” to the world. So many people view economics as a...