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  1. Elias Bou Saab

    Elias Bou Saab

    Writing for PS since 2015
    2 Commentaries

    Elias Bou Saab is a former Lebanese education minister.

  2. Roberto Saba

    Writing for PS since 2008
    1 Commentary

    Roberto Saba is executive director of the Association for Civil Rights in Argentina.

  3. Charles Sabel

    Charles Sabel

    Writing for PS since 2001
    2 Commentaries

    Charles F. Sabel is Professor of Law at Columbia University.

  4. Hannah Sachs

    Hannah Sachs

    Writing for PS since 2016
    1 Commentary

    Hannah Sachs is studying Cuban history at Yale University.

  5. Jeffrey D. Sachs

    Jeffrey D. Sachs

    Writing for PS since 1995
    353 Commentaries

    Jeffrey D. Sachs, University Professor at Columbia University, is Director of the Center for Sustainable Development at Columbia University and President of the UN Sustainable Development Solutions Network. He has served as adviser to three UN Secretaries-General, and currently serves as an SDG Advocate under Secretary-General António Guterres. His books include The End of Poverty, Common Wealth, The Age of Sustainable Development, Building the New American EconomyA New Foreign Policy: Beyond American Exceptionalism, and, most recently, The Ages of Globalization.

  6. Lisa Sachs

    Lisa Sachs

    Writing for PS since 2012
    2 Commentaries

    Lisa Sachs is Director of the Columbia Center on Sustainable Investment.

  7. Samm Sacks

    Samm Sacks

    1 Commentary

    Samm Sacks is Cyber Policy Fellow at New America and Senior Fellow at Yale Law School’s Paul Tsai China Center. She also convenes the US-China Women's Tech Summit. 

  8. Bharati Sadasivam

    Bharati Sadasivam

    Writing for PS since 2017
    2 Commentaries

    Bharati Sadasivam is the United Nations Development Programme’s regional gender adviser for Eastern Europe and Central Asia.

  9. Nafis Sadik

    Writing for PS since 2000
    1 Commentary

    Former Executive Director of United Nations Population Fund; Ob/gyn from Dow Medical College in Karachi.

  10. Fatima Sadiqi

    Fatima Sadiqi

    Writing for PS since 2006
    2 Commentaries

    Fatima Sadiqi is Professor of Linguistics and Gender Studies at the University of Fez, Morocco, and a recipient of a Woodrow Wilson Center Fellowship.

  11. Karim Sadjadpour

    Karim Sadjadpour

    Writing for PS since 2004
    6 Commentaries

    Karim Sadjadpour is an associate at the Carnegie Endowment for International Peace.

  12. John Z. Sadler

    John Z. Sadler

    Writing for PS since 2005
    2 Commentaries

    John Z. Sadler is Professor of Psychiatry at the University of Texas Southwestern Medical Center, and the author of Values and Psychiatric Diagnosis. He co-edits the journal Philosophy, Psychiatry, & Psychology and International Perspectives in Philosophy and Psychiatry.

  13. Emmanuel Saez

    1 Commentary

    Emmanuel Saez is Director of the Center for Equitable Growth at the University of California at Berkeley and a co-director of the World Inequality Database. His latest book (with Gabriel Zucman) is The Triumph of Injustice: How the Rich Dodge Taxes and How to Make Them Pay.

  14. Emmanuel Saez

    Emmanuel Saez

    Writing for PS since 2019
    1 Commentary

    Emmanuel Saez, Director of the Center for Equitable Growth at the University of California, Berkeley, is Co-Director of the World Inequality Database. His latest book (with Gabriel Zucman) is The Triumph of Injustice: How the Rich Dodge Taxes and How to Make Them Pay.

  15. Janelle Saffin

    Janelle Saffin

    Writing for PS since 2017
    1 Commentary

    Janelle Saffin is the Chair of the Australian Labor Party’s International Party Development Committee and a former chair of the Australia-Myanmar Parliamentary Group.

  1. op_campanella10_WANG ZHAOAFP via Getty Images_USChina Wang Zhao/AFP via Getty Images
    Subscriber Exclusive

    Understanding the US-China Rivalry

    Edoardo Campanella

    US Speaker of the House Nancy Pelosi’s visit to Taiwan may have widened the divide between the United States and China even further. But the Sino-American rivalry has been building for years, if not decades, alongside each power's evolving role in the international system.

    reviews five recent books on the recent history, and worrisome future, of the Sino-American relationship.
  2. three flags Hung Chin Liu/Getty Images
    Subscriber Exclusive

    Will US-China Tensions Boil Over?

    A toxic mix of mutual distrust and rising nationalism – with Taiwan the immediate flash point – has brought Sino-American relations to their lowest point in decades. While neither China nor the United States appears to want a military conflict, we asked PS commentators whether the two powers might nonetheless stumble into one.

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