HEADLINE NEWS
SPACEWALKERS RAISE NEW EVA DOUBTS
WASHINGTON Space station planners should not expect space suited astronauts to manhandle large hardware, if the experience of the pair who conducted last month's extravehicular activity is any guide. Gregory J. Harbaugh said an exercise he and Navy Lt. Cdr. Mario Runco, Jr., each performed on shuttle Mission 54 showed that asking an astronaut to pull himself with one hand and pull a large, 450-lb.