Bloomberg: Ministers working on the most contentious document at climate change talks in Bali, Indonesia broke out of negotiations at 2 a.m. local time with differences between the U.S. and developing nations unresolved, hours after a United Nations conference on global warming was due to end. “We’re just very disappointed at this stage that we’re ending up with something so watered down,” Grenadan Ambassador Angus Friday, a spokesman for 39 small island states, told reporters early today in …