Seven years after he first slipped into a coma, former Israeli prime minister, Ariel Sharon, has begun to show evidence of brain activity . Those on watch for signs of life have been disappointed before when, two years ago, a report was released suggesting Sharon was stirring from his slumber. However, according to Israeli scientists, the ex-general is now demonstrating ‘normal brain activity’, a significant change on his vegetative state. Although a hero to many Israelis, Sharon has been no friend to the region’s Arabs . Known variously as ‘Bulldozer’ ...