Toronto Star: It is a rare political contest that draws the ire of Madonna, Porsche, big bankers, radical Muslim clerics and climate-change gurus. But next Thursday’s mayoral vote is shaking up London, even as it helps solidify the hot button question of road congestion charges in the British capital. If “Red Ken” Livingstone, London’s famously unorthodox far-left mayor, manages to eke out victory for a third four-year term, the Labour party maverick vows to steer his city far …