(RNS) — In the weeks leading up to Rosh Hashanah, the two-day Jewish New Year’s holiday that begins at sundown on Sept. 11, Chava Goldberg spent much of her time at her sewing desk, gently opening the linings, collars and waistbands of her clients’ suits, hats and dresses in search of “shatnez ” — the forbidden mixture of sheep’s wool and linen in a single garment. A resident of Norfolk, Virginia, Goldberg, an interior designer by profession, is one of just 200-250 specialists in the world qualified to inspect clothing for shatnez, which the Torah bans in Leviticus 19:19 and...