(November 21, 2016, 11:43 AM EST) -- CHICAGO — A fire and explosion investigator may opine that a negligent design in a toaster caused a fire and that it was unreasonable for the manufacturer to design a toaster that “would indefinitely heat food products to the point of combustion as a result of foreseeable failures and blockages” within the toaster, an Illinois federal judge ruled Nov. 16 (David Ostrinsky, as administrator of the estate of Michael Ostrinsky, deceased v. Black & Decker [U.S.] Inc., et al., No. 15-1545, N.D. Ill.; 2016 U.S. Dist. LEXIS 159447)....