DNA testing is bringing the era of keeping family secrets to a close. DNA tests spur paternity surprises and lawsuits -- as anyone can pay $50 and then show up on your front doorstep and claim you're related. This is making some people's lives better but ruining others. The tests are easy -- but is it worth turning your family upside down? At-home DNA tests have become hugely popular in America, and today, several guests share their DNA shockers. Plus, find out what you should know before taking a DNA test.