(February 15, 2018, 2:08 PM EST) -- OKLAHOMA CITY — An insurer’s defense of a decision excluding coverage for applied behavior analysis (ABA) requires a “strained” reading of policy’s exclusions “so elastic” it could cover nearly any illness, while the company’s prior approval of a child’s speech therapy estopped it from later arbitrarily deciding that Oklahoma law did not mandate the coverage, a federal judge in Oklahoma held Feb. 12 (A.B., et al. v. Health Care Service Corp., et al., No. 14-990, W.D. Okla., 2018 U.S. Dist. LEXIS 22537)....