(November 9, 2015, 1:46 PM EST) -- MISSOULA, Mont. — A commercial general liability insurer breached its duty to defend allegations against an insured for improper work performed in a home, a Montana federal judge held Nov. 6, finding that the insurer is liable for the total amount of the settlement agreement, or $192,500, as well as defense costs (Andrea Wood v. Preferred Contractors Insurance Company Risk Retention Group LLC, No. 14-128, D. Mont.; 2015 U.S. Dist. LEXIS 151140)....