I finally did my homework and could read this story.
I have to say that I heard Londo's parts on Londo's voice. You caught his manner of speaking really well, yes?
I have a few theories on who he is speaking with... I had a few ideas when reading and felt they were proven wrong as the reading progressed
In a Cardassian library
or in a Cardassian gallery
"Reagan, it appears, is really only an ardent unionist if the unions in question are in Poland" - Stephen King, Skeleton Crew