She makes the point (in almost exactly these words) that many conservatives see any questioning of "security policy" as "pro-terrorist", while liberals are afraid to speak up in fear of being criticized along those lines. The time she "lost it" concerned the TSA giving the mother a hard time about something pre-walkthrough, while the (now unaccompanied) very young daughter was wandering around on the other side looking for her mommy. Peggy made a comment to the screener who took her boarding pass, in a quiet tone, and was told then that she would be sent for full treatment (not based upon a printed SSSS).
She also makes the point that these rules are made by bureaucrats and politicians, who rarely (if ever) have to live by them.