With a little help from her friendly Dad (Paul) Stella McCartney has made quite a name for herself as an ultra-chic fashion designer. This week she introduced her spring line on Manhattan’s Elizabeth Street with a Cuba-themed garden party where Fidel Castro and Che Guevara featured among the main props of the cheeky soiree.The Stalinist mass-murderers featured both as mannequins and as live costumed humans who walked around posing for pictures with the ultra-chic models and guests along with the delighted (and scrupulously vegetarian) hostess. In keeping with Stella Mc Cartney’s “anti-cruelty” beliefs the event featured strictly vegetarian foodstuffs. None...