In some areas, Modern Orthodoxy's left wing appears to align with more traditional elements of Conservative Judaism, and in fact some on the left of Modern Orthodoxy have allied with the formerly Conservative Union for Traditional Judaism. Nonetheless, the two movements are generally described as distinct. Rabbi Avi Weiss, from the left of Modern Orthodoxy, stresses that Orthodox and Conservative Judaism are "so very different in ... three fundamental areas: "Torah mi-Sinai", rabbinic interpretation, and rabbinic legislation". Weiss argues as follows: