James Burke looks back on the Apollo Moon landings, following the astronauts' version of Apollo earlier this evening, this second programme goes right behind the scenes to examine the political imperatives that first fostered, then disowned Project Apollo. Born out of J.F.K Kennedy's frustration at Soviet success killed because of the cost of the Vietnam war, Apollo was a political football - as the top NASA managers reveal in exclusive interviews. Lunar scientists, too, have a story to tell. What, after ten years-analysis of moon rocks, did they get out of the $24-billion adventure? What, come to that, was in it for the rest of us?