I had just taken over as Moscow bureau chief when I went with my new bride, Marie-Jeanne to the residence of Jacob Beam, the U.S. Ambassador to the Soviet Union for the annual July 4 party. It was one of the few occasions in those cold war days when prominent Russians could mingle easily with Americans. And sure enough I struck up a conversation with Andrei Solzhenitsyn, the poet,[who died in 2010 in Mpscpw] whose popularity in Russia was akin…..