It has been quite an undiplomatic week in U.S.-Brazil relations. The leaders of both countries have exchanged barbs. President Trump has threatened to slap 50% tariffs on all Brazilian goods. Why ...

President Trump and President Luis Inacio Lula da Silva of Brazil have been trading undiplomatic barbs after Trump's tariff threat this week.

US Military Chief's Visit to Brazil Strained by ... This was the most significant US military visit to Brazil since Trump returned to the White House in January, which cooled bilateral relations.