"North Korea said Wednesday that it was returning to nuclear disarmament talks to get access to its frozen overseas bank accounts, a vital source of hard currency.... In Washington, Bush cautiously welcomed Tuesday's deal and thanked the Chinese for brokering it. But he said the agreement would not sidetrack U.S. efforts to enforce sanctions adopted by the U.N. Security Council to punish Pyongyang for the nuclear test. Those measures ban the North's weapons trade and other items such as luxury goods." More