Halacha:

Orach Chaim,  Tzitzis 

Parsha:

Shelach 

Personalities:

Rav Yosef Dov Soloveitchik 

Description

The argument for tekhelet in light of the discovery of the Murex, an analysis of the various objections to the fulfillment of this mitzva in our time - and responses to those objections.