U.S.-China dispute casts shadow as world leaders gather in Argentina - Reuters

1. U.S.-China dispute casts shadow as world leaders gather in Argentina  Reuters
2. G20 summit: Protests mark Argentina gathering l Al Jazeera English  Al Jazeera English
3. G20 summit: can world leaders find unity – or is it simply showboating?  The Guardian
4. World leaders set to convene Argentina summit clouded by disputes  Reuters
5. G20: Trump balloon appears in Buenos Aires  The Sun
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