"Most of the superdelegates who have yet to pick sides in the Democratic presidential primary appear to be waiting for another authority -- either voters or party leaders -- to select their party's nominee," CQ Politics reports.
"With neither candidate in a position to win enough pledged delegates to garner the nomination or enough popular votes to claim a clear mandate, the elected leaders and other party officials who make up the superdelegate corps are increasingly looking farther up the party hierarchy for decisive action."