Free Aldrich Ames...
The instant you take a call or communication from someone connected with a foriegn power, who has declared war on the United States, your status as a US Person is eliminated by your status as the agent of a foreign power.
Any other reasoning would make it impossible to conduct survielance during an all out war on our own soil. The framers never intended that.
That's pretty amazing. So al-Qaeda has the power to deny personhood to you just by calling your house and leaving a message on your machine. Talk about a force-multiplier!