SAIGON IS QUERIED ON PULLOUT ISSUE
Nixon Adm instructs Amb to S Vietnam Bunker and Gen Abrams to discuss future status of S Vietnamese forces in Cambodia with S Vietnam Govt and to work out joint policy on withdrawals; concerned over S Vietnamese Vice Pres Nguyen Cao Ky's statement that 'you will see the presence of our troops in Cambodia as long as the Communists fight there'; seeks to resolve differences within Adm ranks on wisdom of trying to force S Vietnames withdrawal at same time US completes withdrawal; White House and State Dept officials favor S Vietnamese withdrawal; intelligence and defense officials opposed; State Dept spokesman repts no final determinations have been made on S Vietnamese withdrawal
