I have read the story about the teacher who lost her job because she posted on her Facebook that she felt like "a warden for future criminals."  BTW, she teachers kindergarten.

Now, I agree with this decision.  Why?  No one is saying the teacher didn't have a right to feel what she felt, or even say what she felt, but to post it in Facebook?  No.  There are some things that you should only tell friends.  There are some things you can't post publicly.