<p>A young Indian boy watches from a window of a stalled train as he waits for the train to resume its services following a power outage at a railway station in New Delhi, India, Tuesday, July 31, 2012. India's energy crisis cascaded over half the country Tuesday when three of its regional grids collapsed, leaving 620 million people without government-supplied electricity for several hours in, by far, the world's biggest blackout. Hundreds of trains stalled across the …

August 1, 2012