Coal to surpass oil in Colombia exports

On the northernmost tip of South America, a train chugs across the desert past Indians with painted faces while gun-toting guards squint across the barren landscape, on the lookout for outlaws.

This tableau may seem straight out a Western, but it is 21st-century life in a remote corner of Colombia, and it paints the nation’s economic future, because the train is carrying coal, on track to replace oil as Colombia’s No. 1 export