Vice President J.D. Vance escalates U.S.-Canada trade tensions, calling Canada more hostile than China amid new tariffs. President Trump celebrates education policy wins, including bans on critical race theory and transgender ideology in schools. Meanwhile, Alabama subpoenas OpenAI over an AI agent hacking incident, and European leaders pledge support for Ukraine. A study highlights health benefits of high-intensity interval training, and London Zoo conducts its annual animal weigh-in.