The firing of Rex Tillerson as Secretary of State has led me to recall the various secretaries of state I have known as a reporter and editor from roughly 1961 to 2002. The first was Dean Rusk, who ended up being Secretary for the entire Kennedy and Johnson administrations, the longest of any secretary since Cordell Hull. Hull was Franklin D. Roosevelt’s secretary but really played no significant role, particularly during World War 2. I had been assigned by The…..