Associated Press: Southern Co. shareholders will absorb $450 million in losses incurred while building a new coal-fired power plant in Mississippi, raising the total write-offs on the construction project to nearly $1 billion, utility officials said Tuesday. The utility announced the pre-tax write-off on its massive project in Mississippis Kemper County before releasing its second-quarter earnings Wednesday. Company officials had earlier estimated the most recent charge would be around $160 million or more, significantly...