Thank you. I find this only slightly less disturbing than China’s behavior. Stopping a visitor at the border for social posts of acquaintances is almost as bad as writing nasty emails threatening to do so.

(Edit: Ismail was ultimately granted entry [1] but still shameful incident and disturbing that it could happen at all.)

[1]: https://www.thecrimson.com/article/2019/9/3/harvard-student-...