Question: A kohen washes his hands after going to the bathroom in the middle of davening. Must he wash his hands again before Birkas Kohanim?
Short Answer: No, a kohen who uses the bathroom before Birkas Kohanim need only wash his hands one time for both Asher Yatzar and Birkas Kohanim. Ideally, a Levi should be the one who washes the kohen’s hands.
Question: Must you slaughter a kosher animal that will not be eaten by Jews but will instead be sold to non-Jews?
Short Answer: Rav Moshe Sternbuch suggests that it is a machlokes between the Rambam and the Ramban whether an animal that will only be eaten by non-Jews needs to be slaughtered.
Short Answer: It is permitted to drink milk nowadays, despite that many of the cows are treifos, because extract of a treifah is only forbidden when it is extracted from an animal that is recognizable as non-kosher.