Mealey's (October 27, 2016, 9:06 AM EDT) -- CHICAGO — The Illinois federal judge overseeing the Zimmer NexGen knee multidistrict litigation on Oct. 21 excluded a plaintiff’s sole specific causation expert in the second bellwether trial and granted summary judgment as a result (In Re: Zimmer NexGen Knee Implant Products Liability Litigation, MDL Docket No. 2272, No. 11-5468, Theodore Joas, et al. v. Zimmer, Inc., No. 13-9216, N.D. Ill., Eastern Div.; 2016 U.S. Dist. LEXIS 146008)....