Post: The island of Kiritimati is one of the world’s most remote places — one of several dozen atolls making up the tiny island nation of Kiribati, a speck in the Pacific Ocean more than a thousand miles south of Hawaii. But, isolated as it is, news of its devastated coral is turning heads around the world. A recent expedition has revealed that the reefs around Kiritimati have suffered a catastrophic mass die-off — an event that epitomizes what may be an ugly truth about the ability of coral reefs around…