Ben Cardin actually said...

"I do not believe we know the answers to those questions, and I think we need to do a better job."

"Let me join Senator Alexander in thanking you all for your testimony today."

"We need to look at the cumulative impact. I do not think that we have been doing a good job of doing that at all levels."

"Well, thank you, Dr. Palmer, and thank all of you for your testimony."