I'm not so sure the foreign-to-foreign communications that are routed through the US are limited to emails, Silash. According to a research company that tracks international communications, calls are included in that:
NSA's Lucky Break: How the U.S. Became Switchboard to the World
A lucky coincidence of economics is responsible for routing much of the world's internet and telephone traffic through switching points in the United States, where, under legislation introduced this week, the U.S. National Security Agency will be free to continue tapping it....
http://www.wired.com/politics/security/news/2007/10/domestic_taps
Yes, the Attorney General did have the authority to tap "purely foreign-to-foreign" calls. But, as Glenn said, the administration claimed that the court said that foreign-to-foreign communications that passed through the US required a warrant.
Much of the initial coverage about Fort Hood turned out to be wrong. Is there anything wrong with that?
The accountability imposed by another country for the CIA's kidnapping and torture reveals much about our own.
Fox News' morning show plays to type, talking about whether Muslims in the Army should face "special debriefings"
The survivor and author is upset about comparisons some on the right are making to genocide
Once seen as a lunatic fringe, reactionary anti-women groups are courting respectability
Salon headlines in your mailbox