NASA still wrestling with issues of safety, dissent, Knight Ridder

“Space shuttle program managers on Tuesday and Wednesday will try to answer a basic question: What’s the precise risk of launch debris poking yet another fatal hole in a shuttle, as it did to Columbia in 2003?”

Biologist, Explorers Club Fellow, ex-NASA Space Biologist and Payload integrator, Editor of NASAWatch.com and Astrobiology.com, Lapsed climber, Explorer, Synaesthete, Former Challenger Center board member...