Business news today spans trade brinkmanship, food safety, regulation and industrial earnings. Donald Trump has threatened fresh tariffs on Canada, accusing Ottawa of “willful negligence” as wildfire smoke blankets parts of the Midwest and East Coast, though officials on both sides of the border continue to frame the fires as a shared challenge and the White House has yet to explain how such tariffs would work. In consumer health, Taylor Farms is pulling certain iceberg lettuce sourced from central Mexico after federal investigators linked it to a multistate Cyclospora outbreak, while stressing its branded salad kits are not affected. In Africa’s largest economy, Nigeria moved to bring order to its fast-growing digital-asset market with a new coordinating council led by the central bank. And in India, JSW Steel reported stronger revenue and improving margins, underscoring resilience in heavy industry despite mixed comparisons on profit.