A 30-year-old man faces charges in Maine's first trial for smuggling khat, a stimulant popular in Ethiopia, Somalia and Sudan, today in U.S. District Court in Portland. Differing views of the substance present a cultural divide for authorities and some members of Maine's growing immigrant communities. While the U.S. Drug Enforcement Agency lists khat in the same category as cocaine or heroin, users say it is as mild as coffee, and just as harmless. On trial is Abdigani Hussein, who was arrested in April when he tried to collect 60 pounds of khat, a green leafy material, at a local...