NOWSHERA: Daily wage laborer Waris Khan was at work at a market near his home in northwest Pakistan on Aug. 27 when he received a frantic call from his wife, telling him their house had been flooded. By the time Khan reached home, the entire neighborhood of Sheikhabad in the city of Nowshera in the northwestern province of Khyber Pakhtunkhwa was submerged after floodwaters