( December 6, 2023, 1:47 PM EST) -- CHICAGO — The Seventh Circuit U.S. Court of Appeal should reverse a district court’s ruling that insurers do not owe a general contractor a defense or indemnification as an additional insured in a coverage dispute stemming from a subcontractor’s defective welding work at O’Hare International Airport because the underlying claims are potentially within the coverage of the insurance policies at issue, the general contractor maintains in an appellant reply brief....