I haven't been able to use them because I've got to protect my sources, just as with you.

"On the other hand, you have the need to protect your sources."

The reason given was to protect "sources and methods" or something to that effect.

As I see it, the only sure way to protect sources is not to use pesticides.

Learn why it is important to keep the environment clean and find out what you can do to protect our nation's sources of drinking water.

It usually contains less information so as to protect sources and methods.

And they are not talking, in order to protect their sources from reprisals.

They are also guaranteed the right to secrecy and to protect their sources of information.

"We are mindful of need to protect sources and methods."

Anyway, that's one of the reasons we try to protect our sources.