Grand Strategy from Obama to Trump

How did President Barack Obama leave America's strategic position when he left office? How is President Donald Trump doing so far? What is the role of the historian in sorting through these questions? Hal Brands and Francis Gavin — both of the Kissinger Center at SAIS — join Ryan Evans to debate these questions and many more over beers and through the lens of Hal's new book, American Grand Strategy in the Age of Trump.