As I have already posted elswhere I have been subjected to just such an interrogation after being selected for secondary. As unpleasant and disturbing an experience as that was (for making me feel like I lived in a police state), I would gladly choose 1 hour + interrogations over the nudie-scanners or sexual molestations. Of course, they aren't offering that choice, but as someone who has actually experienced a 90 minute + TSO interrogation I thought I should chime in.