Genealogist/entrepreneur Bennett Greenspan makes a return visit to our show. Since its founding in April 2000, FamilyTreeDNA has tested and added to its database more than 600,000 people. FamilyTreeDNA uses molecular biology to prove genetic relationships between two people. And, with the number of adoptions in America increasing at rapid rates, the company now offers a new test to find genetic relations among a different set of chromosomes that even proves half relations (half siblings, etc). It’s a global business and Greenspan could not have launched his business at a better time.