Sign up for the Slatest to get the most insightful analysis, criticism, and advice out there, delivered to your inbox daily. On April 2, Donald Trump’s “Liberation Day,” a teenage athlete fatally stabbed another teenage athlete at a track meet in Frisco, Texas. The exact details around this specific case remain unclear, but local investigators said it started when 17-year-old Karmelo Anthony sat under another team’s tent during a rain delay. According to the authorities, the second student, 17-year-old Austin Metcalf, told Anthony to leave. The two argued. Anthony warned Metcalf not to touch him. Metcalf touched Anthony. Anthony stabbed...