Trump's trip-up over Jerusalem may hurt everybody

In the post-9/11 era, metal detectors are increasingly common, especially in “high-security” areas such as airports or public buildings.
This made it hard for some to understand the Arab World’s outrage after Israel decided to install them at the entrance to Jerusalem’s Temple Mount last July. “You go through them when entering synagogues, churches, even the Holy City of Mecca,” commentators reasoned. It seemed like an issue of security.
I was a stone’s