You're welcome. I get bored.Interesting, a 6 year old thread lays dormant and suddenly springs back to life without missing a beat!
Here's a hit from Googling "pot stirrer":
"They have talent, but stirring the pot allows them to draw attention to themselves for self-promotion. They can do good work, but stirring the pot to create drama masks their performance or contribution short falls. They are both outspoken, but also chit-chatting behind the scenes."
http://marcyheim.com/how-to-deal-with-a-pot-stirrer