Henry Kissinger dies celebrated, but why? His achievements have long since crumbled

'All political lives, unless they are cut off in midstream at a happy juncture, end in failure." So said Enoch Powell - yet to this famous aphorism, Henry Kissinger, cold war strategist, US secretary of state, counsellor to 12 American presidents and alleged war criminal - who has died aged 100 - is a notable exception. The man who invented shuttle diplomacy, promoted the concept of hard-eyed realpolitik and pursued fleeting mirages of detente between hostile superpowers paradoxically lived a life of multiple professional failures that ended happily, marked by generally high international regard. Kissinger was, throughout his long career,…