Why would the admin have to negotiate with the mods? its his site.
And no, never banned, well, once here, but that was overruled.
Although I have a feeling I'll be banned on another site for a stupid argument.... long story short I challenged a guy's authority because he said "10 years from now you might be confused with someone who knows what they are talking about" and he happened to be 10 years older than me.
I really don't care, considering how a few claimed to be millionaires and high school dropouts/not having a college education (I really doubt that, but it may be true)