Washingtonpost.com regularly holds live online events where experts answer questions from the audience. The following is a list of transcripts from these interactive sessions:

June 10, 1999
Media Violence & Youth: The Littleton school shooting has prompted the nation to reexamine violent images in the media as an ingredient in such rampages. Many are calling on Hollywood and the government to crack down on media violence. Georgetown University professor Diana Owen discussed media violence and youth.

April 27, 1999
New Gun Measures: A week after the massacre at a Colorado high school, President Clinton is sending Congress a series of gun control measures. Jose Cerda, special assistant to the president for domestic policy, joined us live from his White House office to discuss the administration's proposals.

April 23, 1999
Youth Mental Health: Gary De Carolis, chief of the Child, Adolescent and Family Branch for the Federal Center for Mental Health Services discussed the mental health of America's youth.

April 22, 1999
John Velleco: A spokesman from lobbyist organization Gun Owners of America joined us live to discuss the shootings.

April 22, 1999
Stephen Teret: The director of the Center for Gun Policy and Research at Johns Hopkins School for Public Health talked about understanding and preventing violence.

April 22, 1999
Brian Morton: The associate director of communications for Handgun Control, Inc., was online. The group is chaired by Sarah Brady who got involved after her husband was shot and paralyzed in the attempted assassination of President Reagan four years earlier.

April 21, 1999
Open Forum: Readers shared their thoughts about the shooting at Columbine High School in Littleton, Colorado.

April 21, 1999
Dr. Pamela L. Riley: In the wake of yet another school shooting, people once again are asking why it happened and how others can be prevented. Dr. Pamela L. Riley, executive director of the Center for the Prevention of School Violence in Raleigh, N.C. joined us live to discuss the issue.