This business of negotiating is a tricky business indeed. No, we don’t  always want to show up at the negotiating table and use our negotiation  styles and negotiating techniques to lay all of our cards out in front  of the other side. However, there appears to be a fine line when it  comes to lying. 

Just exactly how far is too far? 

More  importantly for you as a negotiator, how should you handle it if when  you are negotiating with someone you start to realize that they are not  being truthful with you?