The law already clearly addresses the issue of when invading privacy is allowed. See the concepts of public figure (http://en.wikipedia.org/wiki/Public_figure h

The law already clearly addresses the issue of when invading privacy is allowed. See the concepts of public figure (http://en.wikipedia.org/wiki/Public_figure http://en.wikipedia.org/wiki/Public_figure) and reasonable expectation of privacy (http://en.wikipedia.org/wiki/Invasion_of_privacy http://en.wikipedia.org/wiki/Invasion_of_privacy).