In a high-stakes decision on expert exclusion authored late last month, the District Court for the Northern District of California granted defendants’ motion to exclude plaintiffs’ general causation expert witnesses in In re Baby Food Products Liability Litigation—a consolidated mass tort of over 100 pending cases regarding the alleged presence of toxic heavy metals in baby food.

On March 26, 2026, President Trump signed a sweeping Executive Order titled “Addressing DEI Discrimination by Federal Contractors” (the EO) that attaches binding contractual consequences to diversity, equity, and inclusion (DEI) practices in federal contracting. By April 25, 2026, federal contractors, subcontractors, and lower-tier subcontractors should expect to be required to agree—as a term of their contracts—not to engage in “racially discriminatory DEI activities,” to open its books and records to government compliance audits, and to acknowledge that any violation is material to the government’s decision to pay—a critical element for False Claims Act (FCA) enforcement. In this blog, Winston lawyers analyze the new EO and weigh potential implications for contractors.