Even as food-aid workers enjoyed their most successful day since the Jan. 12 earthquake, the increasingly prominent role of U.S. troops and civilians in the capital is creating high expectations that the Obama administration is struggling to contain. The needs are extraordinary, and the common refrain is that the Americans will provide. "I want the Americans to take over the country. The Haitian government can't do anything for us," said Jean-Louis Geffrard, a laborer who lives under a tarp in the crowded square. "When we tell the government we're hungry, the government says, 'We're hungry, too.' "
