A few months ago I wrote about how you can encrypt your entire life in less than an hour. Well, all the security in the world can’t save you if someone has physical possession of your phone or laptop, and can intimidate you into giving up your password. And a few weeks ago, that’s precisely what happened to a US citizen returning home from abroad. On January 30th, Sidd Bikkannavar, a US-born scientist at NASA’s Jet Propulsion Laboratory flew back to Houston, Texas from Santiago, Chile. On his way through the airport, Customs and Border Patrol agents pulled him aside....