Is this idea possible without a ton of work?

[transparentb]

Hi everyone,

I run a forum that has industry professionals mixed in with a ton of people who are just there to learn. This makes it tough to sort out the informed from the uninformed posts. Now that's fine as we'd like everyone to mingle, it's a forum. But we had an idea to create something like a "ghost" forum where only the experts can post in it, but it's cloned to another forum that's public where everyone can openly discuss what these special posters are saying.

I'm guessing this isn't a new idea so I'd really love to be informed on the best way to do what I'd like to do. Thanks everyone.