FILE - In this Jan. 2, 2008 file photo, an armed police officer walks past burning buildings during post-election rioting in the Mathare slum of Nairobi, Kenya. One of Kenya's most vilified institutions - its police force - will be in the spotlight next week after the country's election on Monday, March 4, 2013 as it tries to prevent the same type of post-election bloodbath that Kenya suffered during its last presidential election. (AP Photo/Karel Prinsloo, File)
