i suspected u.s. drone strike in southern yemen on monday night. security officials say american missiles struck a province near the areas taken over by militant group. u.s. republican presidential candidate newt gingrich is blaming what he calls dishonest campaign ads by opponent mitt romney for his poor performance in the poor with the florida primary hours away, romney surged ahead of gingrich by 14 points. united nations nuclear experts say japanese regulators need to improve their plans for dealing with severe accidents. they ve been studying the stress tests that tokyo ordered after the fukushima daiichi. whether the plants themselves are safe. those are the headlines from cnn. the world news leader. i m zain verjee and world business today starts now. good morning to you from cnn london. i m nina does santos. i m andrew stephens. welcome to world business today. it s tuesday january 31st. the e.u. has all but sealed the fiscal future of the eurozone. greece h