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Spacewalking astronauts replacing blurry camera on robot arm

CAPE CANAVERAL, Fla. (AP) — Astronauts went spacewalking Friday to provide some necessary focus to the International Space Station's robot arm. The main job for commander Randy Bresnik and teacher-turned-astronaut Joe Acaba was to replace a blurry camera on the new robotic hand that was installed during a spacewalk two weeks ago. The two men...