Chiefs of State and Cabinet Members of Foreign Governments with updated entries for Afghanistan, Dominica, Georgia, Iraq, Kuwait, Madagascar, Marshall Islands, Mongolia, Morocco, Nepal, Norway, Papua New Guinea, Peru, Switzerland, Uzbekistan, Zimbabwe. Changes reflect updates in leadership, positions, or the spelling of officials' names in the country listings during the period 29 Dec 2009 - 06 Jan 2010.
Source: World Leaders - Updates for 29 Dec 2009 - 06 Jan 2010 (https://www.cia.gov/library/publications/world-leaders-1/rss-updates/world-leaders-updates-for-7-jan-2010.html)