AI Summary

The US has taken a step in its ongoing diplomatic dispute with Brazil by revoking the visa of the Brazilian ambassador. This move is part of a broader escalation in tensions between the two countries, with implications for their bilateral relationship. The decision to revoke the ambassador's visa suggests a significant deterioration in diplomatic ties. The US has clarified that the visa revocation does not necessarily mean the ambassador will be forced to leave the country, indicating a distinction between the two actions.

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