What you claim is "fairly well known" is directly disputed by Snowden's leaks, which say they cannot. They can only tap calls where both endpoints are outside t

What you claim is "fairly well known" is directly disputed by Snowden's leaks, which say they cannot. They can only tap calls where both endpoints are outside the US and are people who they have reason to believe are not US citizens. https://www.latimes.com/archives/la-xpm-2009-jan-16-na-wiretap16-story.html https://www.latimes.com/archives/la-xpm-2009-jan-16-na-wiret...