April 28, 1961

Kennedy confs with Natl Security Council and Cong leaders on counter-measures if fighting continues; weighs more mil aid to Laos and pro-West neighbors; Under Sec Bowles tells Amb Menshikov of US concern over delay in implementing cease-fire; US rejects Communist China demand to halt aid and withdraw mil advisory group

probe; Vinson denies role in price-fixing; says he had no knowledge of collusion; denies attending '58 Phila meeting with 4 co vps at which he allegedly ordered and approved such activities; Kefauver queries his rejection of lie detector test; to send testimony to Justice Dept; R W Smith testifies on June '58 conf, Boston, between Vinson, Paxton and Westinghouse pres Cresap and vp Monteith, allegedly on Westinghouse price-cutting

NYS Investigation Comm probing Mayor Wagner to learn if he accepted favors from Hudson River Day Line head Sanders, who seeks renewal of lease on Pier 81; Wagner says he and Sanders are friends but denies exch of favors

Kennedy sends reorgn plan to Cong

Explorer XI astronomical satellite launched into orbit, Canaveral, carrying specially-designed telescope to detect rays and determine their originating direction; telescope is sandwich of sodium iodide and cesium iodide crystals which emit signals when struck by rays