New Case from Fifth Circuit – Tracy Barker v. Halliburton Company, et al. By Mark M. Murakami on June 27, 2011 New case from the Fifth Circuit Court of Appeals. Will review and comment later, but for now the opinion in the case of Tracy Barker v. Halliburton Company, et al., 2011 U.S. App. LEXIS 12696 and can be found here.