Charles Olivier-Rivard is seeking to launch a class-action suit against more than a dozen major retailers, amongst them Best Buy, Costco, and Walmart, claiming they wrongly charged provincial and federal sales tax for such items as product protection plans and extended warranties.

The Missouri Court of Appeals Eastern District has affirmed a circuit court ruling granting summary judgment in favor of the Board of Curators of the University of Missouri in a defamation lawsuit brought by the former St. Louis Public Radio general manager, concluding that the university was protected by sovereign immunity and had not waived that protection through its insurance policies.