The nationwide worker shortage’s effects can be seen as local businesses prepare for the 20th anniversary of 9/11.

Some of the spending is classified, while there’s also been a lack of transparency.

Many have been diagnosed with cancer. The exposure to toxins from the pulverized buildings “has a really, really long tail,” a doctor says.

The Flight 93 memorial has attracted visitors to the area, but locals there say there hasn’t been a massive boost.

This weekend marks 20 years since the Sept. 11 terrorist attacks. We check in on Pennsylvania, where Flight 93 crashed in a field. Marketplace’s Nova Safo joins us from Pittsburgh.