dangerous gap in the system? >> pilots for the most part are sound people, very determined, very professional. i don't think you're going to need or have to have the criteria tightened up. >> mark also points out many commercial pilots come straight to those jobs from the military where they've gotten regular psychological screening. cnn washington. >> still to come in the newsroom, the missing plane's to north korea vanished in the new bermuda triangle? yes, conspiracy theories a bound. why are they so prevalent? we'll talk about that next. on ys with nicorette or nicoderm cq.