What happened on September 30, 2001
When Racial Profiling Is Appropriate VIKRAM DAVID AMAR, Vikram David Amar is a professor of Law at UC Hastings College of Law
The Lessons of Blowback CHALMERS JOHNSON, Chalmers Johnson is author of "Revolutionary Change" and "Blowback: The Costs and Consequences of American Empire."
Vietnam's 1968 Tet Offensive Offers Parallels for Today A.J. LANGGUTH, A.J. Langguth is a professor at USC's Annenberg School for Communication and author of "Our Vietnam."
Strong Where It Counts Most WALTER RUSSELL MEAD, Walter Russell Mead, a contributing editor to Opinion, is a senior fellow at the Council on Foreign Relations and the author of "Mortal Splendor: The American Empire in Transition."
A Long-Term Plan? Look to the Cold War WILLIAM SCHNEIDER, William Schneider, a political analyst for CNN, is a contributing editor to Opinion
In War, Strange Bedfellows Welcomed ROBERT D. KAPLAN, Robert D. Kaplan is a correspondent for the Atlantic Monthly and the author of many books, including "The Coming Anarchy."
Their Evilness Wasn't Outside History ALEXANDER COCKBURN, Alexander Cockburn writes for the Nation and other publications
Remember Pearl Harbor and Learn RONALD TAKAKI, Ronald Takaki is a professor of ethnic studies at UC Berkeley
CALIFORNIA | LOCAL
Alternative L.A. KEVIN RODERICK, Kevin Roderick is the author of "The San Fernando Valley: America's Suburb (L.A. Times Books). His last piece for the magazine was on Valley secession
A Place She Can Call Home DON SHIRLEY, Don Shirley is The Times' theater writer
Now It's His Turn JOHN HENKEN, John Henken is a frequent contributor to Calendar
The Man With the Words ROBERT HILBURN, Robert Hilburn, The Times' pop music critic, can be reached at firstname.lastname@example.org
Another Kind of Rerun BRIAN LOWRY, Brian Lowry is a Times staff writer. His "On TV" column runs Wednesdays in Calendar
A Treasure Unlocked ANNE MIDGETTE, Anne Midgette is a performing arts writer in New York
Buddy, Can You Spare a Line? PETER McQUAID, Peter McQuaid is a freelance writer based in Los Angeles
The Buck Starts Here DIANE HAITHMAN, Diane Haithman is a Times staff writer
Fifty Going Down JONATHAN LEVI, Jonathan Levi is a contributing writer to Book Review
'Stop Living and Read' BENJAMIN KUNKEL, Benjamin Kunkel writes for several publications, including The Village Voice and Dissent
Making Sense of the World BRIAN J. SKINNER, Brian J. Skinner is the Eugene Higgins professor of geology and geophysics at Yale University and a former president of the Geological Society of America
Our Greatest Literary Navigator JOHN GREGORY DUNNE John Gregory Dunne is the author of numerous books, including "True Confessions," "Delano" and "Monster."
All Too Human SVEN BIRKERTS, Sven Birkerts is the author of five books of essays and will publish a memoir next year
Critic and Crusader PETER H. KING, Peter H. King writes a twice weekly column, "On California," for The Times
Why America's Bloodiest War Haunts Us Still BRIAN HOLDEN REID, Brian Holden Reid is the author of "The American Civil War" and the forthcoming "Civil War in the United States: 1861-1865" and professor of American history and military institutions and head of the department of war studies, King's College, London
The Secrets of Los Angeles THOMAS CURWEN, Thomas Curwen is deputy editor of Book Review
Sitting on a Sedona Vortex, She Feels All Too in Touch With Earth LAURIE GOUGH, Laurie Gough is the author of "Kite Strings of the Southern Cross: A Woman's Travel Odyssey" (Travelers' Tales, 1999). She lives in Ontario, Canada
Taking a Safari in South America TATJANA DEARY, Tatjana Deary is a freelance writer living in Weston, Mass
Core of Apple Country LORA L. CROMMETT, Lora L. Crommett is a freelance writer in Banning, Calif
Wetting Your Whistle in Ireland KARL ZIMMERMANN, Karl Zimmermann is a freelance writer in Norwood, N.J