HAMM ARSKJOLD
by BRIAN URQUHART 597 pages. Knopf. $12.50.
Brian Urquhart is not the first to make the point that the United Nations did not work out as originally planned. But in this book, a comprehensive political analysis of Dag Hammarskjöld's seven years as the U.N.'s Secretary-General, Urquhart for the first time chronicles in precise detail how close one man often came to making the curious organization do what it was supposed to. The author has worked for the U.N. since its inception and is now an Assistant Secretary-General. He is also the first man...