President Obama, who would open the floodgates to hundreds of thousands of Syrian refugees if he could, praised Germany’s Angela Merkel this week for being on the “right side of history” in regards to accepting immigrants. At a speech in Hannover on Monday, the president was effusive in his admiration. “She is giving voice to the kinds of principles that bring people together rather than divide them,” Obama said, taking a not-so-subtle shot at conservative Europeans who are warning of an Islamic invasion. Because Obama has faced strong opposition to an influx of Syrians into the U.S., the German press...