A teenage boy was pulled, dazed and dusty, from the wreckage of a seven-story building in Kathmandu Thursday that collapsed around him five days ago when an enormous earthquake rocked Nepal. Pemba Tamang, 15, was carried out on a stretcher with his face covered with dust. Medics had to put an IV drop into his arm and a blue brace had been placed around his neck. He appeared stunned and his eyes blinked in the sunlight. Nepalese rescuers, with support from an American disaster response team, had been working for hours to free Tamang from the rubble. L.B. Basnet, the police officer who crawled into a gap in the rubble to reach the teen, said he was surprisingly responsive. "He thanked me when I first approached him," said Basnet. "He told me his name, his address, and I gave him some water. I assured him we were near to him." Rescuers eventually used jacks to lift the concrete slabs that had wedged him in, said Basnet. "He's not too far down, b...