SS
Samuel Samson
Executive
Samuel Samson is a deputy assistant secretary in the U.S. State Department.
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US revokes Brazil ambassador's visa as diplomatic tensions escalate
It comes after the Brazilian government refused to grant visas for two US state department officials.
August 5, 2026Brazil's president confirms two US government officials were denied visas over election interference fears
Brazil has argued the visit could have been used to raise suspicions about the electoral system's reliability ahead of October's vote, which the US state department rejects.
July 30, 2026