Rav Schachter discusses the need for tradition of kashrus in animals/birds(turkey)/fish, swordfish, sturgeon, King Clip fish, kashering liver, issur chadash, orlah, re'vy, yotzei min ha'assur, milk, waiting betwn milk and meat, bli'os in pots, bli'yos of peros shevi'is, nosein ta'am lifgam, davar charif, knives, "not bar not," among other topics...