The article you posted a link to is quite disturbing.
SInce it's an MSNBC article, it's excerpted, but it's worth reading the actual article.
http://msnbc.msn.com/id/3775771/ NBC: Terror threat to extend through January
Officials say al-Qaida operatives may be fully trained airline pilots
Authorities raised the terrorist threat assessment over the weekend after new intelligence indicated that operatives of Osama bin Laden’s al-Qaida terror network, possibly trained and licensed to fly passenger jets, may now be pilots for some foreign airlines, ideally positioning them to carry out suicide attacks, U.S. officials told NBC News on Monday.
Reinforced cockpit doors intended to thwart hijackers after the Sept. 11, 2001, terrorist attacks would now protect any terrorist pilot at the controls, the officials said on condition of anonymity.
Al-Qaida may have dirty bomb
New intelligence indicates that al-Qaida remains intent on attacking large gatherings of people with chemical or biological weapons, official said. They said law enforcement agencies were looking closely at two rural locations — one in the East and the other in the Southwest — that were believed to be high on the terrorist target list.
Most troubling, the officials sad, were indications that al-Qaida may already possess a radiological weapon, or so-called “dirty bomb.” They did not elaborate.
Re-reading the MSNBC exerpt . . . I'm wondering if the sentences in the one paragraph are really connnected . . . chem/bio mentioned, then rural targets . . . since they didn't mention nuke, I was excluding TMI . . . but now I'm suspecting these might be unrelated factoids stuck in the same paragraph for convenience . . . always TMI stands out as the most obvious rural target in the East, just because of it's worldwide notoriety . . .