African leaders are pushing for renewal of a preferential U.S. trade policy, set to expire in 2025, that allows them duty-free access to the U.S. market. Kate Bartlett spoke with U.S. trade representative Katherine Tai about U.S.-China competition at the annual summit of the African Growth and Opportunity Act in Johannesburg and visited a factory that does business with both countries. Camera — Zaheer Cassim.

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