Mistakes That Doomed the Department of Homeland Security

An article on Politico examines mistakes made by the Department of Homeland Security related to terrorism. The article is tied to the anniversary of the 9/11 attacks, but specific details of the mistakes are not provided in the available information. The article is being discussed on Hacker News, where it has garnered a couple of points but no comments so far. The discussion can be found on the Hacker News website.