I don’t, as a rule, endorse political candidates. I don’t do work for campaigns. I have never given a dime to a candidate—for any office. I have never signed up to be an adviser to one either.

The impetus for John Kerry’s “cessation of hostilities” deal is easy to understand: According to the United Nations, 450,000 Syrians are under siege in 15 locations, and another 4 million are in hard-to-reach areas. The administration’s humanitarian concerns do them credit. But sometimes the best humanitarian contribution is success on the battlefield.

How the radical Islamist group fits into the broader history of terrorism.

The FBI v. Apple flap exploded on the public scene just as I was learning my way around my new Estonian e-Residency card, which promises—among other things—secure communications between card holders. I am currently working on the next piece in my series about Estonian e-Residency, so more on the...