delegatesan, as the consider the nomination of the first woman ever to a major political party. also, the first non-politician in many decades. watch live on c-span. you can also get streaming coverage on www.c-span.org. this all begins on monday, july 18. ♪ >> each week, "american history tv's reel america" brings you archival films that provide context for today's public affairs issues. 1976,rs ago, on july 1, president gerald ford spoke at the opening of the smithsonian's national air and space museum in washington dc. leading up to the anniversary, "reel america" is showcasing a series of nasa films. up next, science reporter: suited for space. half hour nasa tv program, one of 13 produced with m.i.t. and wgbh boston. this episode traces the development of spacesuits, beginning with the mercury program and looking at a live support system prototype needed for the apollo moon missions. >> in less than five years, an astronaut will be stepping out on the moon to conduct man's first real exploration of our oldest satellite. it will have been a long voyage, carrying him far from