Americans pick between Clinton and Trump after nasty campaign

By Steve Holland NEW YORK (Reuters) - Democrat Hillary Clinton held a narrow lead in opinion polls over Republican Donald Trump as millions of Americans turned out on Tuesday to vote for the next president after one of the most negative campaigns in U.S. history. In a battle that focused on the character of the candidates, Clinton, 69, a former secretary of state, senator and first lady, and Trump, 70, a New York businessman and former reality TV star, made their final, fervent appeals to suppor