Christina Johnson of Rolling Hills, California, accompanied by John Walsh and Miss America 2007 Lauren Nelson, answers questions at a media briefing following the 2nd National Teen Summit on Internet Safety, hosted by Cox Communications and the National Center for Missing & Exploited Children, in Washington, D.C. Photo by Kaye Evans-Lutterodt.

John Walsh, accompanied by Miss America 2007 Lauren Nelson and teen Christina Johnson of Rolling Hills, California, speaks to the media at a briefing following the 2nd National Teen Summit on Internet Safety, hosted by Cox Communications and the National Center for Missing & Exploited Children, in Washington, D.C. Photo by Kaye Evans-Lutterodt.

Miss America 2007 Lauren Nelson listens to Johns Walsh as he speaks to teen participants at the 2nd National Teen Summit on Internet Safety, hosted by Cox Communications and the National Center for Missing & Exploited Children, in Washington, D.C. Photo by Kaye Evans-Lutterodt.

Dominique Webb, a teen from New Orleans, Louisiana, participates in the National Teen Summit on Internet Safety, hosted by Cox Communications and the National Center for Missing & Exploited Children, in Washington, D.C. Photo by Kaye Evans-Lutterodt.