Prosecutors in South Korea have charged ousted president Park Guen-hye and Lotte Group chairman Shin Dong-bin with bribery. It is the latest twist to a corruption scandal that rocked the country for months. JUST IN: Ousted South Korean leader Park Geun Hye and Lotte chief Shin Dong Bin charged with bribery https://t.co/pR4Zv3egsJ pic.twitter.com/ySyl8phhdx— The Straits Times…