NASA administrator Michael Griffin listens to a reporter's question during a news conference at NASA headquarters in Washington, in this Aug. 29, 2007 file photo. Griffin is hinting to lawmakers that he will reverse course and publicly disclose the results of a survey that found safety problems like near collisions and runway interference occur far more frequently than previously recognized. (AP Photo/Susan Walsh, file)AP - Reversing course, NASA’s administrator promised Congress on Wednesday he will publicly disclose results of an unprecedented federal aviation survey which found that aircraft near collisions, runway interference and other safety problems occur far more often than previously recognized.


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