Good discussion. Hope they're having it at TSA HQ. Happy to send OP if they want a Voice of the People.

chgoeditor has seized on the likely logic, although where to draw the line (IQ 60?70? 80? 90? undocumented?) and ADA are the obvious counter-concerns.

Minors is a red herring (unless traveling alone) as they're under the supervision of an adult. And whoever thinks vets with PTSD are walking around with mastery of IED-building probably needs to meet more vets.