The Diplomatic Sour Note: US Brazil Relations in Free Fall The United States' decision to revoke Brazil's ambassador, Maria Luiza Ribeiro Viotti, of her visa marks a new low in an escalating diplomatic dispute between the two nations.
On its surface, Washington's move appears to be an attempt to pressure Brasília into approving President Donald Trump's nominee for ambassador ahead of Brazil's presidential election in October.
However, scratch beneath the surface and a more complex pattern emerges. The US Brazil relationship has long been marked by ideological rivalries that have played out through proxy wars and diplomatic posturing.