JUSTUS WANZALA WOMEN dashed around open kitchens dotted across the playground of Bubango Primary School, preparing to feed the hundreds of children who now call the school in western Kenya their home. About 400 families from Budalangi, in Busia County, have been living at the school since April, when the Nzoia River that flows from Kenya's western highlands into Lake Victoria burst its banks in the worst flooding the area has seen in decades. After more than a year of unusually heavy rainfall, over 800,000 Kenyans have been displaced by flooding, according to the government. The situation has been made worse by…