THE UNITED STATES HAS NO PLANS FOR A THAW IN U0S0-CUBA RELATIONS AFTER CUBAN PRESIDENT FIDEL CASTRO TEMPORARILY HANDED OVER POWER TO HIS BROTHER BECAUSE OF SERIOUS ILLNESS THE WHITE HOUSE SAID ON TUESDAY ACCORDING TO REUTERS0 'THERE ARE NO PLANS TO REACH OUT' SAID WHITE HOUSE SPOKESMAN TONY SNOW OF THE TEMPORARY HAND-OVER TO RAUL CASTRO0 'WE DON)T KNOW WHAT THE CONDITION IS OF FIDEL CASTRO' HE SAID BUT ADDED THAT HE DID NOT BELIEVE THE 79-YEAR-OLD LEADER WAS DEAD0