Congressional Chiefs Bar Special Inquiry on C.I.A.; Curbs Called Sufficient CONGRESS AIDES BAR C.I.A. INQUIRY
Sens Dirksen and Mansfield, Repr Ford say Cong will not undertake special probe; Ford, Mansfield say present Cong surveillance is sufficient; Mansfield says probe should be left to Katzenbach group; gen Cong attitude is that issue contains no pol profit; Sen Hartke charges CIA used NSA members as undercover agents during '65 Dominican Repub revolution