New Security Beat: It was a scorching hot April afternoon in Keur Moussa, a small farming community about 60 kilometers outside Dakar, Senegal. The landscape was mostly barren and very dry, and a fine red dust settled into our clothes as we walked with community leaders to learn about their efforts to cope with a changing environment. In this part of the world, adapting to climate change is figuring out how to manage water: how to survive for long periods without it, and what to do when too much comes at unexpected...