"The panel fielded questions about NASA's seemingly risk adverse culture and its possible effect on future exploration, with Crippen admitting that "NASA has become risk adverse." Brandenstein added "that if we would have had the risk culture of the late shuttle era at its beginning, we would have never have launched STS-1."
... "On actual cooperation with the Chinese, Crippen expressed his support: "I believe we ought to be approaching the Chinese to be a part of that as well, they have a space program, they are well proven. We did it with the Russians and it worked out well for us." Crippen also noted that cooperation and information sharing would "naturally be tempered by national security concerns."