This is an excerpt from A Spy's Guide to Thinking, available at Amazon Early morning in Europe. Not the worst place. Not the best. A weekend. Just after public transport opened. Quiet. A good time for a spy to meet a source. I found a seat in the back of a subway car. Pulled out a phone to check for last minute communications. A guy saw me do it. Normally, not a big deal. Lots of people dressed like me. Looked like me. Had their phones out. But the guy chose me. “Let me see y