Asean summit faces challenges without Bidenbr br Southeast Asian leaders, led by Indonesian President Joko Widodo, are grappling with unresolved problems such as Myanmar's conflict, South China Sea tensions, and US-China rivalry during their year-end summit. President Biden's absence, a departure from tradition, looms over the Asean summit, which typically fosters unity and hosts discussions on trade, climate change, and global security. Biden is set to visit India for the G20 summit and Vietnam to bolster relations.