Diversity within the group of men -- and still only men -- who have been president of the United States will change significantly when Barack Obama is sworn in next month. But when he looks across the highest level of civil servants managing the government, he'll see a mixed bag when it comes to improving the diversity of the federal Senior Executive Service. A new report by the Government Accountability Office says representation of women and people of color in the senior corps grew overall between October 2000 and September 2007, but not at all agencies. ... (more)