An assortment of learning opportunities will begin at 11:30 p.m. with “Mikvaot in Colonial America” led by Dr. Laura Leibman; followed by “Conversion and Matrilineal Descent” at 12:30 a.m. with Rabbi Kenneth Brodkin; then at 1:30 a.m. Rabbi Motti Wilhelm will lead “Minhag in Jewish Law and Practice"; at 2:30 a.m. Rabbi Menachem Berzon will lead “Why Standing before Sinai Would Have Sufficed"; Rabbi Tzvi Fischer will lead “G’neivas Da’as—Deception in Jewish Law” at 3:30 a.m.; and Shacharis at 4:40 a.m. Congregation Kesser Israel, 6698 SW Capitol Hwy. 503-222-1239.