Revised plans for the World Science Fiction Convention (15―19 December, Washington, DC) ; and the question of what we gain by allocating energy and other resources to “space tourism”. My answer? Hope, first and foremost ― and that may be the most important thing of all. Also some audience interaction, digressing into the proper use of the term “black light”, and the scammy use of ionizing radiation to give odd colours to glass and gemstones.
