Henry Kissinger, the former secretary of state and national-security adviser under Presidents Nixon and Ford sat down to lunch with the Financial Times and, over the course of two hours (and three courses), offered his unique perspectives on the “special” U.S.-U.K. relationship, on artificial intelligence, on Donald Trump’s meeting in Helsinki with Russia’s Vladimir Putin, on the late Zbigniew Brzezinski, and on one of his most famous utterances.