"Rabbi" Sadan isn't a rabbi. She's playing at being one. When "Liberal Judaism" returns to observing halacha, which means returning to the classically acceptable definition of "Who Is A Jew", begins observing the mitzvot such as kashrut and tacharat mishpacha, stops doing spurious conversions, and stops thinking that women can be rabbis, then we can take its views seriously. As of now, in its rejection of halacha, "Liberal Judaism" isn't Judaism at all.
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from the article: Reform rabbi: Israel's pluralism threatened by new conversion law