Evidence has been slowly being released for years, what more do you need. Here is my third example for you [1], after this Im done.
[1] http://www.washingtonpost.com/wp-srv/special/politics/prism-...
[1] http://www.washingtonpost.com/wp-srv/special/politics/prism-...
Can you provide a link to your claim or it is just your opinion because there is no proof of that?