UN chief Ban Ki-moon said Thursday he would press Group of Eight (G8) leaders at their summit in Japan next month to tackle the world food crisis, climate change and the flagging fight against global poverty. On the eve of his departure on a two-week, three-nation Asian tour, the secretary general said the July 7-9 summit in the northern Japanese resort town of Toyako must face the three inter-related crises which demand "our immediate action." He said that before departing, he would write to each of the G8 leaders to lay out his concerns about the global food crisis, the...