What to know

• Pope Leo heads on Sunday to Argentina, where the first US-born pope will give a closely watched speech to Argentine President Javier Milei, a libertarian seen as a close ally of Donald Trump.S1
• Pope Leo's South America tour is taking him to Argentina, which comes amid friction between the Vatican and President Javier Milei over his austerity agenda.S2
• By Leila Miller and Joshua McElweeMONTEVIDEO, Nov 8 (Reuters) - Pope Leo heads on Sunday to Argentina on the second leg of a 12-day tour across South America, where the first US-born pope will give a closely watched speech to Argentine President Javier Milei,...S3
• Pope Leo heads on Sunday to Argentina on the second leg of a 12day tour across South America, where the first USborn pope will give a closely watched speech to Argentine President Javier Milei, a libertarian seen as a close ally of Donald Trump.S4