In this May 26, 2008 file photo, a student protester hurls a rock at riot police officers during a protest against fuel price hikes in Jakarta, Indonesia. Between surging oil prices, food inflation and a credit crunch that's depressed global growth, leaders from the Group of Eight economic powers face the gravest combination of economic woes in at least a decade when they gather next week. (AP Photo/Dita Alangkara, File)