(March 7, 2019, 1:04 PM EST) -- HOUSTON — An expert’s causation opinion confuses association and causation and appears to be based on his own untested methodology, and after excluding it, a plaintiff lacks sufficient evidence linking asbestos to his colon cancer even under the lowered standard applied in Federal Employers Liability Act (FELA) cases, a federal judge in Texas held March 5 (John Collins v. BNSF Railway Co., No. 17-3572, S.D. Texas, 2019 U.S. Dist. LEXIS 34712)....