1991 Commander Rick looks at alternate histories -- what might have been had certain historical events been altered -- with speculative fiction writers George Alec Effinger (Everything But Honor), Gregory Benford (editor, What Might Have Been), Paul Di Filippo (Ciphers), Kim Stanley Robinson (Remaking History), Terry Bisson (Fire on the Mountain), William Gibson and Bruce Sterling (co-authors, The Difference Engine), Alternate Presidents anthology editor Mike Resnick and contributor Martha Soukup, plus Neil Gaiman (writer, DC Comics' The Sandman).