PRESIDENT NAMES C.A.B. AIDE FOR '69; In Surprise Move, He Picks Present Chairman to Fill Vacancy Next Jan. 1
Johnson renames Chmn Crooker for 6-yr term effective Jan 1; move gives CAB 3 Dems and 2 Repubs no matter which party wins '68 election; also means, barring resignation or death, that a new Pres would not be able to change membership until '71, in case of Repub, or '73, in case of Dem