A lot of people are saying that the relentless wave of retirements is a threat to the health of the federal workforce. But there’s a problem on the other end of the age spectrum too — OPM data shows there’s been a sharp drop in the number of federal employees under the age of 30 over the last few years. As of last year, those younger workers made up just 8 percent of the workforce. Jeff Neal is senior vice president of ICF International and former chief human capital officer at the Department of Homeland Security. He explained the numbers behind the issue on In Depth with Francis Rose. Read Jeff Neal’s related column.