Your explanation would suggest that the writer's cognitive abilities (whatever they might be) don't carry over into chaotic or stressful situations (i.e., he falls apart under pressure).
I would submit that this in itself ought to disqualify him from an important position in an agency as putatively critical as the TSA. People working there, especially those in positions of responsibility, ought to be able to work effectively under pressure.
This. Also, anyone that thinks they don't fall apart under pressure is strongly encouraged to look up choking in the psychology literature and/or talk to attractive members of the opposite gender :p
I would submit that this in itself ought to disqualify him from an important position in an agency as putatively critical as the TSA. People working there, especially those in positions of responsibility, ought to be able to work effectively under pressure.