Communion with Non-Catholic Christians: Risks, Challenges, and Opportunities

Is it ever appropriate for non-Catholic Christians to receive Holy Communion at a Catholic Mass? What should a pastor do to preserve the holiness and the purpose of Communion? What happens when a non-Catholic receives Holy Communion? How should a Catholic pastor respond to non-Catholics who wish to have communion without conveying harshness, scrupulosity, legalism, or rudeness? Intended to help Christians recognize the present provisional norms and to see new possibilities in eucharistic sh...