The conviction of former President Luiz Inacio Lula da Silva on corruption charges shows how far justice has come in Brazil. Yet Brazil’s next and stiffer test is in ensuring that allegations about current President Michel Temer receive a full and transparent investigation, and that the execution of justice is not reduced to back-room politics. Brazil’s future — the future …

The New York Times ran an article over the weekend about efforts by utility companies to fight the spread of rooftop-solar power: Rooftop solar panel growth has come to a shuddering stop this year, with a projected decline in new installations of 2 percent. Since 2013, Hawaii, Nevada, Arizona, Maine and Indiana have decided to phase out programs that spurred …

It’s easy to poke fun at Britain’s government dysfunction. But there’s at least one policy area where it’s having a sophisticated debate with global implications: how to regulate ‘gig economy’ companies such as Uber Technologies Inc. and Deliveroo so they don’t exploit workers or skimp on taxes. Working out new rules for companies that use smartphones to connect buyers and …