Agence France-Presse: The last raindrop fell three months ago, forcing Carlos Roman to take his cattle further and further away to find water and keep them alive in Nicaragua's northeastern farmlands. Nicaragua and the rest of Central America has been hit by a major drought that has killed thousands of cattle, dried up crops and forced cities to ration electricity. Costa Rica, Honduras and Guatemala have declared emergencies in the worst affected areas to speed up aid delivery. El Salvador and Nicaragua have opened...