http://www.foxnews.com/story/0,2933,141862,00.html

But privacy advocates fear legal eavesdropping may eventually lead to parents running roughshod over their children's rights.

"What's so magic about turning 18? All of a sudden you get rights. All of a sudden you're a full human being. What about when you're 17, 16-and-a-half? What about children who are emancipated?" wonders attorney Michael Tario (search).
I find this highly interesting, when one remembers that parents can be held financially liable for their children while they are under 18 years of age.