White House hopefuls face latest election battle

The race to the White House entered its third round Saturday as Republicans began voting in a South Carolina primary and Hillary Clinton and Bernie Sanders faced off for the Democrats in Nevada caucuses. Polls opened at 7:00 am (1200 GMT) in South Carolina, where pre-vote surveys showed flamboyant businessman Donald Trump with a commanding lead over five Republican rivals. Trump is banking on a big symbolic win ahead of "Super Tuesday" -- March 1, when about a dozen states will go to the polls t