For the vast majority of federal workers investing in the Thrift Savings Plan is a must, period. Chances are it will provide anywhere from 30 to 50 percent of the income they have in retirement, which is a very big deal. It may be the difference between steak and hamburger or, worst case scenario, cat food. And you don’t have a cat! So if you have a TSP account what did you do in December when the high-flying stock market, after wobbling a couple months, dropped big time? On this episode, financial planner Arthur Stein talks us through the highs and lows of investing in the TSP. He has a number of federal clients including several who are TSP millionaires. The Your Turn radio show airs at 10 a.m. EST on1500 AM in the Washington, D.C. area and www.federalnewsnetwork.com.