Associated Press: For 5,000 years, great tongues of ice have spread over the 3-mile-high slopes of Puncak Jaya, in the remotest reaches of this remote tropical island. Now those glaciers are melting, and Lonnie Thompson must get there before they’re gone. To the American glaciologist, the ancient ice is a vanishing “archive” of the story of El Nino, the equatorial phenomenon driving much of the world’s climate. More than that, the little-explored glaciers are a last unknown for a …