Reuters: Northrop Grumman Corp, a top Pentagon supplier, urged President-elect Barack Obama on Friday to lead a drive harnessing technology, much of it developed for national defense, to cope with global climate change. “Here’s the task that calls to us: to tame an ocean of data for practical uses,” said Ronald Sugar, board chairman and chief executive of Los Angeles-based Northrop. Many of the required tools and techniques have been developed for national security purposes, he told a …