NEW YORK (AP) - The American Civil Liberties Union filed a lawsuit Monday alleging that the federal government has improperly used taxpayer dollars to fund Christian religious activities in a nationwide program called the Silver Ring Thing that uses music and comedy skits to promote premarital abstinence among teens. The Silver Ring Thing - which has held events in dozens of cities over the past five years - is an offshoot of the John Guest Evangelistic Team, a Christian ministry based in Sewickley, Pa. Since 2003, the program has received more than $1 million from the Department of Health and...