There was an interesting Planet Money not long ago about the legal issues in the US: http://www.npr.org/blogs/money/2014/05/30/317074394/drone-wars-who-owns-th

There was an interesting Planet Money not long ago about the legal issues in the US: http://www.npr.org/blogs/money/2014/05/30/317074394/drone-wars-who-owns-the-air http://www.npr.org/blogs/money/2014/05/30/317074394/drone-wa...