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FRONTLINE: Always On
30s
FRONTLINE is investigative journalism that questions, explains and changes our world.
FRONTLINE explores and illuminates the critical issues of our times - from business and health to social issues, politics and war.
Video description: Coming Oct. 26, 2010. In this clip, aging infrastructure and inadequate maintenance at BP's Prudhoe Bay oil field, more than 30 years old, has workers worried.