US Revokes Brazilian Ambassador’s Visa as Rift Deepens

Diplomacy: Brasília Key Facts —Action. On 4 August 2026 the US State Department revoked the entry visa of Brazil’s ambassador in Washington, Maria Luiza Ribeiro Viotti. —Scale. Brazilian and US outlets report that at least 16 Brazilian officials have had US visas revoked over roughly the past year. —Stated reason. Washington called the step “reciprocal,”…