World Brief: NATO rules out aiding U.S. efforts to reopen the Strait of Hormuz, the White House considers postponing a summit in China, and low voter turnout mars a presidential election in the Republic of Congo.

World Brief: NATO rules out aiding U.S. efforts to reopen the Strait of Hormuz, the White House considers postponing a summit in China, and low voter turnout mars a presidential election in the Republic of Congo.