"Man of Steel, Woman of Kleenex" is available to read at http://www.rawbw.com/~svw/superman.html , among other places. I've read that Niven has no objection to this short being on the interwebs. For the youngsters, a phone booth is similar to a TARDIS. For the oldsters - that flashy thing (the Neuralizer) must have worked on us well.