(August 31, 2017, 10:33 AM EDT) -- PIERRE, S.D. — A commercial general liability insurer had a duty to defend an insured because the underlying allegations arguably state a covered claim, the South Dakota Supreme Court ruled Aug. 30, finding that the policy bars only the faulty work itself, not damage to other nondefective work (Lowery Construction & Concrete LLC v. Owners Insurance Co., No. 27946, S.D. Sup.)....