WASHINGTON (Reuters) - The U.S. Supreme Court sided with an American father on Tuesday in an international custody dispute over a girl who has been living outside the country under a lower court order. By a 9-0 vote, the court ruled that U.S. Army Sergeant Jeffrey Chafin had a right to seek custody of his 6-year-old daughter, Eris, even though she had been taken to Scotland by her mother, Lynne Chafin, a Scottish national. A lawyer for the mother said no Scottish court would allow the child to return to the United States. The 11th U.S. ...