By Pratima Desai LONDON (Reuters) -Copper consumption in the United States and India is set to emerge from China's shadow over the next decade as demand growth in the world's largest consumer of the industrial metal slows. Beijing's industrial and infrastructure expansion has helped fuel a rally that has seen copper prices rise to above $10,000 a metric ton from$1,500 25 years ago. But while China is forecast to remain the largest market for copper into the next decade and beyond, analysts expect other ...