SHE arrived like a woman prepared for her close-up. Red lipstick: applied. Hair: coiffed to perfection. Nails: immaculate. Confidence: overflowing. Dr Imogen Mashazi, the former municipal manager of Ekurhuleni - affectionately known as "uMama" (Mother) in her glory days - took her seat at the Madlanga Commission with all the poise of someone who'd never heard the word "accountability" before. For context, the Madlanga Commission, established by South Africa’s President Cyril Ramaphosa, has spent 40 days wading through the cesspool that various witnesses have lovingly nicknamed the "Den of Criminals" (previously known as the City of Ekurhuleni). And now it…