"NASA's press office "marginalized or mischaracterized" studies on global warming between 2004 and 2006, the agency's own internal watchdog concluded.
In a report released Monday, NASA's inspector general office called it "inappropriate political interference" by political appointees in the press office. It said the agency's top management wasn't part of the censorship, nor were career officials"
Watchdog: NASA misled on global warming studies - CNN.com