[The 7] Canada-U.S. trade war; the cost of fighting measles; the reason for this summer’s floods; and more

The trade dispute between Canada and the United States has escalated

sharply, with both governments imposing retaliatory tariffs on key exports. Canadian officials have warned that prolonged trade friction could disrupt supply chains across North America, affecting industries from agriculture to automotive manufacturing. The dispute reflects broader disagreements over trade policy that have strained bilateral relations for months.

As measles cases continue to surge across multiple states, public health authorities are grappling with the staggering cost

of containing the outbreak. Vaccination campaigns, contact tracing, and hospital care for severe cases have placed heavy financial burdens on state and federal agencies alike. Health officials stress that the expenses far exceed what routine immunization programs would have cost, underscoring the economic argument for maintaining high vaccination rates.

Scientists say a combination of record-breaking atmospheric moisture and weakened jet stream patterns has made this one of the most destructive flood seasons in recent memory. Climate researchers describe the phenomenon as consistent with long-term warming trends, which allow the atmosphere to hold significantly more water vapor. Communities across the Midwest and Southeast have faced inundation

not seen in decades, prompting emergency declarations and renewed calls for infrastructure investment.

Congressional leaders are facing renewed pressure to advance stalled legislation before the fall recess. Key budget negotiations remain deadlocked, with both parties unwilling to make the concessions needed to break the impasse

. The standoff raises questions about the government’s ability to pass a budget on time and avoid a potential shutdown later in the year.

New data from international financial institutions point to a slowdown in global growth, driven largely by persistent inflation and tightening monetary policy in major economies. Emerging markets face particular headwinds

as capital flows toward higher-yielding assets in developed nations. Analysts warn that without coordinated policy responses, the slowdown could deepen through the end of the year.

Lawmakers on both sides of the Atlantic are accelerating efforts to regulate artificial intelligence, spurred by growing concerns about misinformation, job displacement, and national security risks. A new legislative framework proposed in the U.S. would require companies to disclose the provenance

of AI-generated content. European regulators, meanwhile, are already enforcing stricter compliance standards under existing frameworks, creating a diverging global regulatory landscape.

As millions of students return to classrooms across the country, parents and educators are raising concerns about school readiness — from inadequate mental health resources to aging infrastructure and ongoing staffing shortages. Advocacy groups argue that years of chronic underfunding

have left schools ill-equipped to meet the complex needs of today’s students. Federal education officials have pledged additional support, though critics say the proposed measures fall short of what is needed.