[img]http://d.yimg.com/a/p/ap/20100422/capt.a6c401de739e47238ba3aef97a407e5c-a6c401de739e47238ba3aef97a407e5c-1.jpg?x=130&y=86&q=85&sig=oWcrUTtBBHiYLlIgy4bA9w--[/img]AP - Finance officials from the world's major countries believe the global economy is in far better shape than it was a year ago, but they are worried that a growing debt crisis in Greece could cause the hard-won gains to unravel.