Okay, so I think that's probably being overly cautious.
But the Department of State's Twitter account is now suggesting that American's living abroad register for STEP - The Smart Traveler Enrollment Program. Basically, it tells the Department of State that you are travelling/living abroad and then they know where you are.
Has anyone actually registered with STEP? I've been in the UK for a year and a half now, and I see no reason to register for this. I'm just looking for opinions.