07/21/2009
https://www.congress.gov...
"I think there is a host of not just technical problems but legal and political problems."
"But about a month ago, there was some news that was more scary than exciting."
"Had that occurred 20,000 feet over New York City, other than blowing out windows, what would have happened?"
"I just, again, want to point out that there is a 30 percent chance that there is a 5-megaton or so impact that is going to happen in a random location on this planet this century."