The Sacraments in Protestantism and Orthodoxy

A [wearying] post by Peter Leithart here: Puritan Sacramentalism

And two worthy responses (simply trying to clear up the utter misunderstandings and falsehoods Leithart presents): 

On Leithart's Puritans and the Purity of the Sacraments

and

Is Liturgy Magic? A Response to Leithart's Puritan Sacramentalism