Sprawling Bogota, seen here from Mount Monserrate, is Colombia’s bustling capital and most populous city. (Photo by Norma Meyer) This was my second intriguing “school day” in Colombia’s ...

Civilians sheltering in the vast Zamzam displacement camp in Sudan’s North Darfur region are now “nearly impossible” to reach, the UN’s top aid official in the country warned on Thursday. “I am deeply ...