emptywheel.net is generally a good source for lawyerly concerns about surveillance. I don't have time to track down if she has anything on circa's issues speci

emptywheel.net is generally a good source for lawyerly concerns about surveillance. I don't have time to track down if she has anything on circa's issues specifically, but: https://www.emptywheel.net/2017/03/17/ron-wydens-complaints-about-section-702/ https://www.emptywheel.net/2017/03/17/ron-wydens-complaints-... https://www.emptywheel.net/2017/05/03/i-con-the-record-transparency-bingo-4-how-151-million-call-events-can-look-reasonable-but-is-besides-the-point/ https://www.emptywheel.net/2017/05/03/i-con-the-record-trans... https://www.emptywheel.net/2017/05/02/i-con-the-record-transparency-bingo-3-cia-continues-to-hide-its-us-person-network-analysis/ https://www.emptywheel.net/2017/05/02/i-con-the-record-trans... ... etc.