Q: I am a 60-year-old Federal Employees Retirement System employee. Good health holding out, I plan on retiring in 2025. I am saving the maximum allowed in the L 2020 Fund, with the thought that I may have to retire if health does not hold out until 2020. Your article in Federal Times on Dec. 13 said to choose the L Fund that corresponds to your life expectancy, rather than when you want to retire. Should I move my L Fund money to L 2030, or are there other allocations that you would recommend?   A: I can’t responsibly give…