Former US president Richard Nixon and Henry Kissinger in the Oval Office in September 1973. For most of his century on earth, Kissenger has been a vastly influential figure in America's relations with the rest of the world. Photograph: AP Photo The great American satirist Tom Lehrer remarked that “political satire became obsolete when Henry Kissinger was awarded the Nobel peace prize”. It is tempting to add that birthday parties for centenarians become obsolete when Kissinger’s 100th birthday is a cause for celebration. Just over 50 years ago, on March 1st, 1973, Kissinger was in the White House, discussing the...