News Summary — 2026-07-17

AI-generated daily news intelligence across 5 categories.

• World — Trump threatens new Canada tariffs over fires sending 'filthy' air into US cities.
• Business — ‘Laws were broken’: multistate effort to stop Paramount’s $111bn merger heads to court.
• Technology — Taylor Farms pulls iceberg lettuce from the US market after cyclosporiasis outbreak.
• Sports — The AL shuts out the NL to win the All-Star Game! ....
• Science — Scientists built a camera that can track invisible particles in 3D.