Last month, President Donald Trump escalated the trade dispute by placing an import ban on $1 billion worth of Canadian products, including motorcycles, dairy products, and alcoholic beverages

Policy, personnel and internal politics of Donald Trump's White House, covering executive orders, cabinet appointments, the agencies carrying out its agenda and the litigation that follows. Spans both his first and second terms, and the advisers whose influence shapes each.

Cross-border flows of goods, services, and capital and the rules that govern them.