Segment 1: More baby boomers are choosing to open up their own businesses. Retirement? Not for these people. Despite the trope of the young, millennial entrepreneur, research shows that people between 55 and 64 make up about a quarter of new entrepreneurs. In this conversation, we talk with an author who's reported on this trend and a 69-year-old businessowner who's living it. Chris Farrell , author of "Purpose and a Paycheck" and senior economics contributor, Marketplace Morning Report Bob