Original sentence: 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: By contrast the Superdelegates form a select higherarchy within the Democrat party whose votes moderate the uncertainties of the popular vote, and their votes superceed and can potentially negate the votes of the more numerous common voters in the primary elections of 2008.No hereditary aristocracy exists in the U.Since 1997 hereditary peerage is no longer mandatory for members of the British House of Lords.The British House of Lords is currently made up of almost the same number of individuals (738) as American Democrat superdelegates.The House of Lords is the second house of the Parliament of the United Kingdom.The closeness of the race between the leading contenders, Hillary Rodham Clinton and Barack Hussein 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.as a constitutional founding principle of the nation's government