New York City officials have released thousands of unseen documents on the air quality at Ground Zero after the 9/11 attacks. The documents reveal more evidence that concerns about the air persisted for months after the attacks, despite officials assuring the public the area was safe. New York ...
Source: [CBS News](https://www.cbsnews.com/video/new-documents-new-york-city-officials-misled-residents-air-quality-911/)