A gloomy season for Ethiopia's 'green gold' at the khat market

"We call it green gold," says Ramadan Youssouf, a khat trader in the Ethiopian town of Aweday, one of the largest markets in the world for the mildly narcotic shrub. Many of the bundles from the Aweday market will make their way to Wajale, a border town straddling Ethiopia and Somaliland -- a breakaway region of Somalia.