SPRINGFIELD, Mo. - Earl Taylor has spent 31 years teaching that "the Founding Fathers have answers to nearly every problem we have in America today." Only in recent months has he found so many eager students. On a recent Saturday, he held the rapt attention of 70 of them. The eight-hour seminar held at a roadside inn here was one of half a dozen "Making of America" sessions nationwide that day, all sponsored by a little-known organization based in Idaho. Two years ago, Taylor, president of the National Center for Constitutional Studies, made about 35 trips to speak to small...