Global leaders took their biggest steps yet toward a new world order thatÔÇÖs less U.S.-centric with a more heavily regulated financial industry and a greater role for international institutions and emerging markets. At the end of a summit in London, policy makers from the Group of 20 yesterday delivered a regulatory blueprint that French president Nicholas Sarkozy said turned the page on the Anglo-Saxon model of free markets by placing stricter limits on hedge funds and other financiers.