Charles Bohlen, US. Ambassador to Moscow, who called the turn on the purge of Laurent Berea in the Kremlin, returns by air for top-level talks on the entire East-West picture. MCUS - Charles E. Bohen disinbarking from a plane. CUS - Charles Bohen stops at the bottom of the steps and waves to the press. CUS - Charles Bohen walking and smiling, stops, and starts to walk again