TOKYO—Jordan Larson fell to the floor, put her head in her hands and cried after Brazil couldn’t return her spike on match point. The frustration of being so close but not quite good enough was replaced by a feeling of relief after the U.S. women’s volleyball team finally claimed Olympic gold with a 25–21, 25–20, 25–14 victory over Brazil on Sunday. “I’m just still in a state of shock,” Larson said. “I cried more in the last 24 hours than I think I have in my career. I’m not an emotional player, an emotional person. But I think just the emotions got the best of me. I’m now in kind of this euphoria, a state of shock.” The United States, which had won three silver medals and two bronze since first getting on the medal stand in 1984, got to the top step by beating the team that denied it …