Japanese nuclear power officials are resorting to military helicopters with massive water buckets to cool reactors, but radiation is too high to get the helicopters directly overhead. The White House is backing an 'online privacy bill of rights' proposed by Senate Democrats, but Republicans are extremely resistant to the measure. China has become the latest country to put plans for new nuclear plants on hold in the wake of Japan's growing disaster. G-7 economic leaders will meet Friday to discuss a coordinated front on dealing with world stock market instability. Visa is joining the personal payments arena, looking to get a piece of PayPal's action.