He returned to the United States on September 23 , 1947 .
Parkman was persuade to stay on and on February 21 , 1947 it was announced that he would serve as Clay 's governmental affairs adviser .
Parkman returned to the United States on September 23 , 1947 .
Parkman was persuade to stay on and on February 21 , 1947 it was announced that he would serve as Clay 's governmental affairs adviser .