How to improve your negotiation skills at work and in life

One of the most popular classes at Boston University's Questrom School of Business is lecturer Moshe Cohen's course on negotiation: when to be competitive, when to be collaborative and how to manage your own emotions in the moment. Cohen, author of "Collywobbles: How To Negotiate When Negotiation Makes You Nervous," shares his tips and tricks for being a better negotiator in everything from salary talks to the terms of a car loan to where to go for dinner with your spouse.