FORT WORTH, Texas - Insureds failed to show that their insurer had a duty to defend three construction defect actions, a Texas federal judge held May 22, granting partial summary judgment to the insurer on a breach of contract claim (D.R. Horton Inc., et al. v. American Guarantee & Liability Insurance Co., No. 11-039, N.D. Texas; 2012 U.S. Dist. LEXIS 72127).