The top House Republican took aim at the nature of American politics in remarks viewed as a rebuke of GOP presidential front-runner Donald Trump and the tone of his campaign.
"This has always been a tough business, and when passions flare, ugliness is sometimes inevitable. But we shouldn't accept ugliness as the norm," House Speaker Paul Ryan said in a speech Wednesday on Capitol Hill.
"Personalities come and go. But principles? Principles endure," Ryan added.