The allure of the West has helped shape Russian history since Peter the Great three centuries ago. Now it’s shattering even older bonds with Russia's neighbor, Ukraine. In 2013, a rebellion sparked by pro-European Ukrainians seeking a decisive break from the nation’s Soviet past set in motion a chain of events that created the tensest standoff between Russia and the West since the Cold War. Russian President Vladimir Putin annexed Ukraine’s Crimean peninsula in March 2014, proclaiming a duty to defend the ethnic Russians who dominate the population there and sending shockwaves through the post-World War II order.

DNA tests are a game-changing technology poised to reshape how we see ourselves and live our lives. So-called direct-to-consumer DNA testing companies like 23andMe, Ancestry and Helix advertise the ability to reveal your ancestry, inform you of your health status, and even guide you on how to exercise and eat -- all for $200 or less. Recent headlines have highlighted the role of the personal genomics revolution in solving crimes. But Once your genetic information is out in the world, it can be hard to control how it is used. Charlie Pellet talks to Bloomberg's Kristen Brown about the issue.