Here it is http://www.lasvegassun.com/sunbin/stories/bw-wh/2006/apr/20/042005040.html
I didn't post the article as I'm not certain about if it's on the list or not. His best response IMO would have been to have simply kept his mouth shut rather than try to lessen her message which needed saying. BTW the protestor was a former Medical Doctor in China now living here.
Bush later addressed the matter when he met with Hu in the Oval Office. "He just said this was unfortunate and I'm sorry it happened," said Dennis Wilder, acting senior director for Asian affairs on the National Security Council staff.
for myself I'd still like to see the actual quote...but maybe its not available beyond what this dude (Dennis) tells us.
Reason. Maybe he's sorry it happened becuase he's sorry the chinese are a bunch of commies and dont allow people the right to speak freely.