Tekhelet

In anticipation of tomorrow's inaugural "Topical Halakhah" class, I am sharing a past class, on the topic of tekhelet:

Listen to the class here. Follow along with the source sheets here.

(For the record: Though we cited R. Meir Mazouz - as cited in Mekor Ne'eman - as stating in that we are now 80% sure of the proper identification of tekhelet, Moshe Hazbany pointed out to me that a more recent source recorded his statement that we are now 90% sure).