Reuters: When U.S. President Barack Obama flies over the vast Indonesian archipelago next week, he will see first hand the size of two of the nation’s greatest and most threatened resources: its forests and seas. Both are widely expected to be at the heart of efforts to boost ties between the United States and Indonesia and to step up the fight against climate change, officials and sources say. Indonesia has some of the world’s most complex and diverse forests but also one of the highest deforestation…