Captain’s log: stardate 42494.8 Unnatural Selection made it’s debut on 20 January, 1989. Written by John Mason and and Mike Gray, the story puts the ship’s new doctor, Pulaski (Diana Muldaur) on centre stage, as the Enterprise responds to a distress signal from the starship, Lantree. Picard (Patrick Stewart) and the crew investigate, as Pulaski…