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Senate Begins Probing Columbia Disaster

The Senate starts what promises to be a long inquiry into February's space shuttle Columbia disaster. NASA Administrator Sean O'Keefe faces questions ranging from budgets to affixing blame for the accident, which killed seven astronauts. NPR's Richard Harris reports.

Copyright 2003 NPR

Award-winning journalist Richard Harris has reported on a wide range of topics in science, medicine and the environment since he joined NPR in 1986. In early 2014, his focus shifted from an emphasis on climate change and the environment to biomedical research.