Hillary Clinton has already locked up half the Democratic superdelegates in Nevada and South Carolina before the first votes are cast in either state. The former secretary of State has won public support from half of South Carolina's six superdelegates and three of Nevada's eight superdelegates. Bernie Sanders has secured only one, a Democratic national committeewoman from Nevada. The role of superdelegates in the Democratic primary process is coming under new scrutiny after the early voting contests of Iowa and New Hampshire. The superdelegates are made up of Democratic lawmakers and party leaders who can cast a vote for the...
