astronaut class of 1978. the first woman in space was one of them. those are tough footsteps to follow in. there s pressure standing on the shoulders of giants. being a woman there, you are just by when people look, you are more visible by definition. and so by being more visible, you d always like that to be good visible. and good advice sibl a heck of a lot easier when you re looking out for each other. we kind of have this little chick network set up. compiled a list of things might be interesting to you reporter: nicole spent three months on the international space station. e-mail is one of many she sent to cady while up there. we feel an obligation to each other. there s no reason why somebody