Baba Kama Daf 73 - Are Eidim Zomemin Passul Retroactively or Only Going Forward?

Rabbi Aryeh Lebowitz is the Rav of Beis Haknesses of North Woodmere (BKNW). He is also the Director of the Semicha program at Rabbi Isaac Elchanan Theological Seminary (RIETS) In addition to Rabbi Lebowitz’s widespread popularity for his famous “10 Minute Halacha” and Daf Yomi shiurim which can be found on YUTorah.org , along with thousan...