(Show him you mean business. Continue to snipe and cut him him down) "You know, Rickles, I wish I could lower my IQ so I could have a meaningful dialog with you!"
R&R: Are you sure this is the way you want to go? Do you really want to stoop to his level?
YOU: What are you suggesting?
R&R: Ignore the sniper. Take the higher ground.
YOU: (sigh) As I was saying ...
Ten Types 
Order the Book