Navigating Trade Tensions and Worker Safety in Extreme Heat

From the BBC World Service: Pharmaceutical giant Merck has scrapped plans worth more than $1 billion to expand its operations in the United Kingdom, blaming a lack of government support. It's the latest pharmaceutical company to curb investments there. Also, Mexico plans to slap tariffs of up to 50% on cars from China and other Asian countries. And, there's a warning from the World Health Organization that workers worldwide need better protection from extreme heat.