Calder Walton

Calder Walton is a historian at the Harvard Kennedy School. He is the author of the forthcoming Spies: The Epic Intelligence War Between East and West.

Articles by Calder Walton

An illustration shows spy eyes looking out of rows of red supply chain shipping containers.

The Era of Supply Chain Spy Wars Is Here

Argument

Calder Walton, Kevin Quinlan

December 10, 2024, 12:01 PM

china-spying-illustration-foreign-policy-hp

China Has Been Waging a Decades-Long, All-Out Spy War

Essay

March 28, 2023, 6:00 AM

Prague residents surround Soviet tanks in Prague on Aug. 21, 1968 as the Soviet-led invasion by the Warsaw Pact armies crushed the so called Prague Spring reform in former Czechoslovakia.

False-Flag Invasions Are a Russian Specialty

Analysis

February 4, 2022, 1:53 PM

British writer John Le Carre attends a sreeening of "The Night Manager" at the 66th Berlinale Film Festival in Berlin on Feb. 18, 2016.

What Spies Really Think About John le Carré

Argument

Calder Walton, Christopher Andrew

December 26, 2020, 8:00 AM

Boris Johnson slips over while competing in a tug of war during the launch of London Poppy Day on October 27, 2015 in London.

Britain Is Botching This Cold War Just Like the Last One

Argument

July 29, 2020, 7:00 AM

huawei-china-spying-britain-xi-jinping-071420

China Will Use Huawei to Spy Because So Would You

Argument

July 14, 2020, 5:40 PM

A janitor mops the floor at the headquarters of the CIA in Langley, Virginia, on March 3, 2005.

Spies Are Fighting a Shadow War Against the Coronavirus

Argument

April 3, 2020, 2:07 PM

Eiko Ojala illustration for Foreign Policy

The Spies Who Came In From the Continent

Feature

April 27, 2019, 6:15 AM

AFP/Getty Images

How Zionist Extremism Became British Spies’ Biggest Enemy

Excerpt

January 1, 2014, 11:55 PM

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