In a testy appearance at the parliamentary ethics committee this week, the Kielburger brothers accused MPs of holding a political trial and placed blame on the federal government for the scandal that erupted over the student volunteer grant awarded to WE Charity last spring. Meanwhile, new questions emerged about the involvement of one of Prime Minister Justin Trudeau’s senior advisers in the since-cancelled multimillion-dollar Canada Student Service Grant (CSSG). Craig and Marc Kielburger appeared at the committee alongside their lawyer on March 15—after initially declining to testify in what they called a “partisan” investigation—where they were questioned about WE Charity’s operations and the contract with the Liberal government to manage the CSSG. The now-abandoned contract would have paid WE Charity up to $43.5 million to run the program, which was designed to cover up to $5,000 in education costs for students who volunteered during the COVID-19 pandemic. The federal government …