Wsj Opinion: Potomac Watch

Two days after Kirk's assassination in Utah, law enforcement has arrested 22-year-old Tyler Robinson. Gov. Spencer Cox explains some of the evidence, including messages on the bullet casings found at the scene. Cox also appeals to young Americans to change the country's politics, calling social media "a cancer on our society," as students hold campus vigils for Kirk. Learn more about your ad choices. Visit megaphone.fm/adchoices