Tuna Fish: "Can" It Be Kosher?

Rabbi Hershel Schachter Senior Halachic Consultant, OU Kashruth Division

It comes to us from overseas without any identifying marks; why do we eat it? Rabbi Schachter, a senior Halachic Consultant for OU Kosher and Rosh Yeshiva at New York's Yeshivas Rabbenu Yitzchok Elchanon, discusses the fascinating halachic basis for certifying canned tuna fish.