"America will not lead from behind. America First does not mean America alone. It is a commitment to protecting and advancing our vital interests…” So wrote President Donald Trump’s NSA, General H.R. McMaster, with Gary Cohn, head of the National Economic Council, in the Wall Street Journal. What follows is a discussion of US leaders’ failed strategies in several wars, Trump’s team of generals, and the emerging Trump doctrine, which is here termed “strategic savvy”.