Code of ethics for journalists
A free press, and freedom of expression are two different things.
We tell ourselves we have a free press, but we know better. With a free press, CBS hot shot John Dickerson would not be hopping up on Barack Obama's lap and seeking his favor with advice on how to "decimate" his opposition.
For those who care, here's a code of ethics that helps real journalists hold themselves to a higher standard than CBS requires of its employees, including the head of it's political news division.
Here is a link that might be useful: Ethics in Journalism