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More: The Clock

Niall Ferguson discusses the clock as a metaphor for the shift of global power.

Funding provided by
Kenneth and Anne Griffin
Anna-Maria and Stephen Kellen Foundation
Marie-Josée & Henry R. Kravis Foundation
Peter Thiel and the Thiel Foundation
James and Merryl Tisch
Joan Ganz Cooney and Peter G. Peterson
A production of Chimerica Media Ltd. in association with Thirteen and WNET.
PBS is a 501(c)(3) not-for-profit organization.