Bad Bunny is expected to perform the Super Bowl half-time show on Sunday entirely in Spanish – which has inspired fans to quickly learn the language. In October, the Puerto Rican singer – born Benito Antonio Martínez Ocasio – kicked off the 51st season of Saturday Night Live expressing pride over the achievement in Spanish, after which he said in English, “If you didn’t understand what I just said, you have four months to learn!” That declaration further stoked the anger of some conservatives who have vilified Bad Bunny for speaking out against US president Donald Trump’s anti-immigrant policies. The...