Jokester is a science fiction short story by Isaac Asimov. The story first appeared in the December 1956 issue of Infinity Science Fiction, and was reprinted in the collections Earth Is Room Enough (1957) and Robot Dreams (1986). It is one of a loosely connected series of stories concerning a fictional computer called Multivac. ==Plot summary== No... Found on http://en.wikipedia.org/wiki/Jokester