Oona Hathaway, professor of international law at Yale University, addresses President Trump’s plans to expand US territory into Greenland, the Panama Canal, and Canada. She discusses international law, the causes of the decline in interstate war, the difference between norms and laws, the problem of enforcement, tensions between norms against conquest and the need for a negotiated peace in the Russia-Ukraine war, among other topics.

Show Notes

• Oona A. Hathaway, Scott J. Shapiro, The Internationalists: How a Radical Plan to Outlaw War Remade the World, Simon & Schuster, 2017.