Reuters: The United Nations appealed on Friday for $20 million to help one million people in Syria cope with the country’s worst drought in four decades. Many of those in need are herders and subsistence farmers who have lost their livestock and crops after poor and erratic rainfall, according to the U.N.’s Office for the Coordination of Humanitarian Affairs (OCHA). More than 100,000 herders have lost at least half their livestock. “It is the worst drought in Syria in 40 years,” …