According to some experts, we're living in the age of narcissism. It's even been called an "epidemic". So...what is narcissism, really? How do you spot it, deal with a narcissist or find out if you are one? Jeremy Sherman, Ph.D., a self-described 'Jerkologist' and author of the book What's Up with A**holes?: How to spot them and stop without becoming one talks to Liana about...well...his book title says it all.