police believe one of the sussex is between the ages of 13 and 15 years old.as 10 years old. >> nearly 100 days at the school massacre that but gun control back in the spotlight, the standing of gallantries advisory committee meets to discuss violence prevention measures today. vice-president joe biden and new york city mayor michael bloomberg met with the families of the december school massacre at sandy hook elementary. both men also talked about the importance of having a stronger background system check for all gun sales. the parents of grace mcdonnell one of the standing of students killed their grief will motivate lawmakers. >> i believe with all my heart that many of the lawmakers were in my shoes that one day one hour would feel the pain that we had about our daughter, maybe they would find their moral compass and take action over in action. >> the nra has vowed to fight the bill set forth by senate majority leader and harry reid. the nra also filed a federal suit there's a disputing the constitutionality of gov. andrus, most state acts. as a back is a

from crying and alone to school to learn english, which led to a scholarship to the university of sussexasters in economics from cambridge! it was 1992, and xin's timing was perfect. china was opening its markets to foreign investors. goldman sachs sent the sweatshop girl to the mainland to look for opportunities. but she was unhappy in the world of investment banking. i'll give you some of the quotes that you've said. "people spoke crassly, treated others badly, looked down on the poor and adored the rich." those are your quotes. >> xin: that's pretty much true. i think investment banking environment was very competitive and cutthroat. i was always looking for opportunities to leave. >> stahl: you wanted to come back to china. >> xin: i think i was just missing the idealism that i was naively brought up with in the communist socialist china, when everyone was encouraged and brought up to be idealist. and i guess i was missing what i was brought up with. >> stahl: that's when she met the man she would marry, pan shiyi. he was part of a wave of young idealists, committed to liberalizing c

and again from the validation authentication site of a broader question, as you look for metrics of sussexit seems that each of the i s p's is going its own route in terms of pressure to put on the users. do you envision trying to identify which ones are more successful over the course of time, and perhaps honing the program to a set of best practices on the isp site? >> let me answer the first question. i think and that it in your question is this notion that there is some continuing monitoring of a particular account or ip address. really, the system does not work that way. it works as maryann described, incident by incident. if a user gets a second request and it is because as the scanning vendor is looking at now for probably another title copra perhaps, that same ip address emerge and the same process was gone through to identify which isp went with that ip address. there is not an ongoing dossier or information collection about a particular user, either on the content side or on the i s p side, and that is an important point. i am happy to have -- >> that is a terrific question, and

aspect of this, certainly general petraeus was surprised to find his e-mail account -- >> i think of sussex ordinary thing. electronic surveillance, this is the power that took on the cia director. if it takes down the cia director by ending his dirty laundry, it has the potential to affect so many people. >> while on the topic, and this partly comes to mind because "mother jones" has had some real interesting experiences that undercover recordings as mitt romney while recalls, there's a lot of undercover recordings going on any kind of cases you describe. and i just wonder if mechanically, do these informants where why are all the time, some of the time? how does that get decided? >> this is an important aspect. because they are so missed trusted, the fbi is supposed record everything to do. so that i adored about the in form an integral understand and not have much credibility. but they rarely do that. the first encounter between an informant as a terrorism think target, the most critical. the most critical in proving predisposition. they are rarely recorded. there was a case in newburg t