Original sentence: All the superdelegates are free to support any candidate for the nomination.The Republican Party also seats some party officials as delegates without regard to primary or caucus results (see Republican delegate selection), but the term "superdelegate" is most commonly applied only in the Democratic Party.The closeness of the race between the leading contenders, Hillary Rodham Clinton and Barack Obama, has increased the chance that the superdelegates will play a decisive role in selecting the nominee, a prospect that has caused unease among some Democratic Party leaders
Edited sentence: All the superdelegates are free to support any candidate for the nomination, and are free to change their vote at any time.The Republican Party also seats some party officials as delegates without regard to primary or caucus results (see Republican delegate selection), but the term "superdelegate" is most commonly applied only to the Democratic Party.The closeness of the race between the leading contenders, Hillary Rodham Clinton and Barack Obama, has increased fears within the Democratic party that the superdelegates will overturn the will of the people, hindering the Democrats chances of taking back the White House in November