The Kennan DiariesOn a hot July afternoon in 1953, George F. Kennan descended the steps of the State Department building as a newly retired man. His career had been tumultuous: early postings in eastern Europe followed by Berlin in 194041 and Moscow in the last year of World War II. In 1946, the forty two year old Kennan authored the "Long Telegram," a 5,500 word indictment of the Kremlin that became mandatory reading in Washington. A year later, in an article in