;; Glenn Flightd' iiDate Reset1-j :]s CAPE CANAVERAL (LTD — The “magic date” for America’* 1 n first manned rocket flight into j orbit has slipped to Jan, 24— but the new target day is shaky -at best (v The rocket launching that will Isend 40year old astronaut John IW, Glenn Jr on a three-orbit trip around the globe will not come sooner than one week from t I day, and chances are it will skid 1 at least a few more days on the lt;calendar. *Scientists on the $400 million Mercury *man-into-space” nro- lt;gram are having troubles with a balky capsule— the hell shaped 1 ? soacecraft that will be Glenn's : “home” for 44 hours on his SI.-» 000 mile voyage 1S Tuesday, a faulty valve in vhe capsule forced scientists to call * . a 24 hoirr delay in their prepara- , - tions for the free world’s firstF I. manned obital flight. The target!. date was switched from Jan. 23 ; ! to a very tentative Jan 24.