On february 4th John Kerry put in his first full day as America's top diplomat. He has busy boots to fill. During her four-year tenure Hillary Clinton, voted "most admired woman" by Americans for n years in a row, visited more countries (112) than any other secretary of state, held 1,700 meetings with world leaders and notched up almost a million miles in travel. She also, rather less conspicuously, oversaw a shake-up of the State Department.
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