Democrats have taken an initial step toward limiting the influence of so-called independent superdelegates in choosing the party's presidential nominee in 2012.
A Democratic National Committee panel is recommending a reduction in the number of superdelegates, from 20 percent of the total number of delegates to 15 percent.
The full DNC must approve the change at a meeting later this summer.
Superdelegates are the members of Congress, governors and party elders who can back candidates regardless of how their states vote.
Barack Obama won over scores of superdelegates in 2008, helping him build an advantage over rival Hillary Rodham Clinton in the final count.
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