Beyond TSA: how is the shutdown impacting our national food security?

There have been a number of recent articles highlighting the air-travel safety issues caused by the government shutdown as more and more TSA agents are forced to call out from work. TSA agents are a visible reminder of the work that federal employees do, but some of the most damaging and dangerous impacts from the government shutdown are ones that are also out of sight of the average American. After all, many people pass through the airport, but not that many people regularly visit food processing facilities.