HUA HIN, Thailand — Asian leaders will pledge to overcome their differences and push towards the formation of an EU-style community as they wrap up an annual summit in Thailand on Sunday. Human rights issues, border disputes and signs of apathy over a meeting that was twice delayed by protests have at times marred the gathering of leaders from a region that contains more than half the world's population. But plans to increase the region's global clout by building closer ties eventually dominated the three-day meeting of Southeast Asian nations along with China, Japan, South Korea, India, Australia and New...