How important is the South Pars field to global gas supply?

With coordinated strikes on Iran's installations on the world's largest gas field and reprisals against facilities in Qatar, we ask what this means for the region and for supplies of gas worldwide. Conflict in the Middle East has already had an effect on airlines, with some carriers cancelling flights. We take a look at how an airlines pay for their fuel and why this can make a difference to how resilient they are to oil price shocks. And entertainment and theme part giant Disney has a new CEO. We find out what's in Josh D'Amaro's in-tray as he takes the helm at a time of intense competition.