Donald Trump has defended the US campaign against Iran, claiming Washington acted to prevent Tehran from obtaining a nuclear weapon. The US president also accused Iran of waging a conflict against America since 1979 and described the country as a “lunatic nation.” In a striking moment, Trump floated the idea of renaming the Strait of Hormuz the “Trump Strait,” as he discussed oil flows through the strategically vital waterway. The remarks come amid continuing tensions over Iran’s nuclear programme, maritime security and global energy supplies. Is the proposed name change a symbolic political jab, and what does Trump’s rhetoric signal about the standoff with Tehran?