One of them is based on the halacha that an animal has to be inspected for mumim before being offered as a korban. Our being a korban has many echoes in chazal.
Rabbi Rosner, a musmach of RIETS, was a popular maggid shiur in YU’s Stone Beis Medrash Program and Rabbi of Congregation Bais Ephraim Yitzchok in Woodmere, NY before making aliyah in 2008. Currently, Rabbi Rosner serves as rav of Kehillat Nofei Hashemesh and as a Rosh Mesivta at Yeshivat Kerem B’Yavneh.