WHETHER THIS COURT'S DECISION IN UNITED STATES V. BURRAGE, 571 U.S. 204 (2014), CREATED A BRIGHT LINE RULE ESTABLISHING A RIGHT OF THE DEFENDANT TO PROOF BEYOND A REASONABLE DOUBT THAT THE DECEDENT'S DEATH WAS THE PROXIMATE CAUSE OF THE CONTROLLED SUBSTANCE, ALONE, DISTRI BUTED BY THE DEFENDANT; THAT IS, PROOF, THAT "BUT. FOR" THE OMRCLLED SUBSTANCE THE DECEDENT WOULD NOT HAVE EXPIRED AND/OR NO OTHER FACT, CIRCUMSTANCE, OR EVENT, OCCURRING NATURALLY OR OTHERWISE CAN BE SAID TO HAVE CONTRIBUTED TO THE DEATH OF THE DECEDENT?

Whether the Court's decision in United States v. Burrage created a bright line rule on proof of proximate cause