03/18/2010 05:12 am ET Updated May 25, 2011

Who Is Jewish? British Court Weighs In

This week, I'd like to ask whether our identity is determined fundamentally by what we do or by our blood.

Yeah, I know. That's heady, metaphysical stuff for snowy days late in December. But it's a question directly raised in a landmark decision by Britain's Supreme Court, which ruled last Wednesday that it was illegal for a state-funded Jewish school to base its admissions policy on whether or not the applicant's mother was Jewish.

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