Some new links with helpful tips:
http://lemongrove.patch.com/articles/helpful-tips-for-parents-of-a-new-teen-2
http://family.lifegoesstrong.com/talk-talk-talk-and-your-teens
http://factoidz.com/the-parentchild-communication-killers-ii/
http://www.semissourian.com/blogs/parentscorner/entry/44464/?response=no