A multi-billion-dollar Saudi-backed golf tour is reportedly close to collapse – so could this spell an end to the Gulf state’s interest in sport? The controversial LIV Golf Tour is just one strand of the Saudis’ sporting portfolio. Footballing superstar Cristiano Ronaldo plays there, while the country’s Public Investment Fund (PIF) also owns English Premier League team, Newcastle United. But the PIF - which has plunged $5b into the LIV project - has a new five-year economic strategy that