From the Social Science Research Council, a public sphere forum on the 20th Anniversary of the Fall of the Wall, with contributions by Andrew Arato, Hauke Brunkhorst, Jeffrey Goldfarb, Elzbieta Matynia, Jack Goldstone, Julia Hell, and others. From Open Democracy, Neal Ascherson on 1989 and how it ended; Vladimir Tismaneanu on the lessons of 1989; and Anthony Barnett on 1989 and change in our time. From The Washington Post, Josef Joffe on tragedy and farce in Berlin; Clay Risen on reunification writ small; and how it went down: Mary Elise Sarotte on the little accident that toppled history (and more on 1989: The Struggle to Create Post-Cold War Europe). From The New Criterion, a special issue on The Berlin Wall: 20 years after, with contributions by Henry A. Kissinger, Roger Kimball, Donald Kagan, and Jonathan Brent. From Foreign Policy, 1989 as the lost year: For Gorbachev and Bush Sr., it was 12 months of missed opportunities; who brought down the Berlin Wall — Reagan, economics, the CIA?: Why the usual suspects get too much credit; and the fall of the Berlin Wall united Germany and eliminated the Cold War's most potent symbol — here are five barriers that continue to divide nations and disrupt lives today (and more on walls and barriers around the world). 1989 and all that: How much anti-Communist opposition really was there? Maurice Isserman reviews Revolution 1989: The Fall of the Soviet Empire by Victor Sebestyen (and more and more and more). Christopher Hitchens on the lessons of 1989: The fall of the Berlin Wall is a reminder of the duty of solidarity.