The National Union of Metalworkers of South Africa (Numsa) has accused Comair chief executive Glenn Orsmond of compromising on safety by cost-cutting. The union was staging a protest in front of Comair’s Kempton Park headquarters on Tuesday about what it called the “don’t care attitude” of management towards staff and passengers. Placards and chants demanded Orsmond “must go!” Comair brands British Airways and Kulula.com remain grounded by civil aviation authorities for gaps in their quality control and safety management systems. According to sources, Comair’s management is frantically working…