More on Hilchos Birkas Kohanim, including: Can a Kohen duchen after drinking wine? How much wine? What about whiskey or grape juice? Is a Kohen who is a thief or commits other sins permitted to duchen? A story about a man who had to divorce his wife when he discovered he was a Kohen. After marrying a divorcee, what must a Kohen do in order to be able to duchen again?