The poignant scene is played out time and again in America's courtrooms. A small, bewildered child sits in a witness chair, being led by an attorney through shocking testimony. The youngster speaks haltingly of unspeakable things done to him or her by a stranger, a baby-sitter or even a parent. Could such an innocent soul possibly be telling anything but the truth?
Most legal experts, child psychiatrists -- and juries -- have long thought that children rarely lie about sex-abuse crimes on the witness stand. On the strength of that assumption, many adults have been sent to jail for sexual abuse...