of Lords held not for courts to question government’s discretion to decide
whether natural security considerations outweighed considerations of fairness
in particular case.
do not have necessary information.
for JR of administrative action could be classified under three heads:
illegality, irrationality and procedural impropriety.
incl. perhaps proportionality, might be added later.
that Diplock was employing term ‘irrationality’ here to mean same thing as Wednesbury unreasonableness in the
‘irrationality’ now often used as synonym for Wednesbury unreasonableness in the substantive sense.]