Council on Foreign Relations During his presidential campaign, Barack Obama consistently promised Americans “change.” Such promises aren’t new to the voting public. When Jimmy Carter ran for president, he said: “The people of this country know from bitter experience that we are not going to get … changes merely by shifting around the same group of insiders.” And top Carter aide Hamilton Jordan promised: “If, after the inauguration, you find a Cy Vance as Secretary of State and Zbigniew Brzezinski as head of National Security, then I would say we failed. And I’d quit.” Yet Carter selected Vance as Secretary...