“THIS will make a great movie some day.” It’s a sentiment that’s echoed around the globe as millions of people watch on and champion the ongoing rescue of 12 young boys and their soccer coach stuck in a Thailand cave, in the country’s north. But for some Hollywood producers, there’s no time to waste, and “some day” may as well be now. A US film crew has already arrived at the foothills of the Tham Luang mountain cave system in Chiang Rai province as one of the world’s most daring rescue operations enters its third day. Divers are expected to...