Relief troops walking hours on foot over rock, debris and mud are trying to reach the worst-hit area of an earthquake that rocked central China, killing nearly 10,000 people, state-run media reported. The powerful quake also trapped thousands of people, including children buried under the rubble of their schools.
Sen. Barack Obama today took the lead in the race for superdelegates on the eve of a contest that's expected to fall easily into Sen. Hillary Clinton's column. Obama and Clinton face off Tuesday in West Virginia, where polls show Clinton ahead by more than a 40-point margin.