The Roundtable The Defining Decade: Why Your Twenties Matter--And How to Make the Most of Them Now WAMC Northeast Public Radio | By Ian Pickus Published May 1, 2012 at 1:25 PM EDT Facebook Twitter LinkedIn Bluesky We welcome Dr. Meg Jay and talk about her book, The Defining Decade: Why Your Twenties Matter--And How to Make the Most of Them Now .