So several subway stories:

Friday's inspection of my bag produced no contraband, as the cops didn't notice I was carrying around a revolutionary way of teaching all of algebra.

A charming and refreshingly Asian though distressingly bepimpled Asian was doing some loud country-music harmonica-guitar act wowed most of the car, and I was going around collecting tips, but the battery seller had nothing to give but some batteries.

Apparently those long oversized plain T-shirts are the for use of faciliating flashing. This much I've learned.