How do you get the best deal? How do you know you're getting the best deal? Whether you're talking down the price of a car or talking up your salary, you don't have to be a jerk to get what you want. Negotiations can be win-win – if you know what to ask for and how to grow the pie.We have three stories in today's episode about how to negotiate tactically. First, a hostage negotiator tries to buy a car. Will he get far? Then, one man's encounter at the airline ticket booth may inform how you respond to...