Mysteriously, he travels from Djibouti to Gondar by way of Ndjamena: two sides of a huge triangle.

ECONOMIST: African memoir: Bus rides | The

With less food being grown, people are starting to sell their personal belongings and livestock so they get by in the coming weeks -- but that doesn't take care of their needs long-term, said UNICEF Executive Director Tony Lake, who spoke to CNN on a dry plain in Banda, south of Chad's capital, Ndjamena.

CNN: STORY HIGHLIGHTS