DOUBT ON POLICY DENIED BY LAIRD
Laird says he 'supported fully' Nixon's decision to send ground troops into Cambodia, presented case for operations to Natl Security Council, news conf; says US does not intend to get bogged down in Cambodia, that US troops will pull out in 3 to 6 wks; denies attacks constitute an invasion of Cambodia that might have required Cong approval; State Dept announces 1st deliveries of Amer weapons, rifles and carbines, to Cambodian army