Art: Understanding Junior

When Junior impressionistically draws a horse in bright reds, Mother will chide: "Everybody knows that horses aren't red, dear. Why don't you paint brown horses?" That attitude is all wrong, thinks William McGonagle, of the Detroit Institute of Arts, who runs art workshops for children. Before he could really teach the youngsters, McGonagle decided two years ago, he would have to educate their par-"ents: he invited mothers and fathers to come along and study art with the kids. This week, completing his third "Family Workshop," in which parents painted, drew and sculpted alongside their grade-schoo'-age children, Teacher McGonagle was more than...