NPR News Now covers the US military withdrawing bombers from a UK base following arrests of men with suspected Iranian ties. The report details Republican super PACs canceling millions in North Carolina spending to redirect funds to competitive Midwest races ahead of midterms. It also highlights Flavio Bolsonaro's lead in Brazil's presidential runoff and the UK Green Party declaring Zionism a form of racism, which barred its leader from entering Israel. Finally, the episode notes the death of former Speaker Dennis Hastert and a deadly school bus collision in Florida.