Recent coups in Mali and Guinea-Bissau don't amount to a big continental shift, according to a new statistical analysis.
Disarray following a March 21 coup has allowed Tuareg rebels to take over much of Mali's north. West African neighbors worry about spillover.
After a string of defeats against better armed Tuareg rebels, Mali's army staged a mutiny and overthrew the government.
The current food crisis in Chad could affect 3.6 million people, writes guest blogger Alex Thurston.
Aid groups warned that a drought was coming to the Horn of Africa in 2011, and say now that a late response by donor nations unnecessarily cost thousands of lives.