President Trump and President Luis Inacio Lula da Silva of Brazil have been trading undiplomatic barbs after Trump's tariff threat this week. It has been quite an undiplomatic week in U.S.-Brazil ...

Brazilian President Luis Inacio Lula da Silva, centre, is greeted by Spain's King Felipe at the Royal Palace in Madrid, Spain, Wednesday April 26, 2023. Lula is on an official visit to Spain.

Brazilian President Luis Inacio Lula da Silva attends a business meeting at the Casa America in Madrid, Spain, Tuesday, April 25, 2023. Brazil's President Luiz Inácio Lula da Silva visits Spain ...

Luiz Inácio Lula da Silva Amanda Perobelli—Reuters By Al Gore April 13, 2023 6:32 AM EDT ...

US President Donald Trump's backing for a far-right Brazilian ally could inadvertently boost leftist President Luis Inacio Lula da Silva's flagging political fortunes, analysts say.