Americans choose between Clinton and Trump after divisive campaign

By Steve Holland NEW YORK (Reuters) - After a long and exceptionally negative campaign, millions of Americans voted on Tuesday for their next president as opinion polls showed Democrat Hillary Clinton with a narrow lead over Republican Donald Trump. In a battle focused on the character of the candidates, Clinton, 69, a former U.S. secretary of state, and Trump, 70, a New York businessman, accused each other of being unfit to lead the United States against challenges like an arduous economic reco