Trump: CNN is 'milking' three-hour debate
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The debate at the Ronald Reagan Presidential Library in Simi Valley, Calif., starts at 8 p.m. and will run for about three hours, representatives from CNN said Wednesday.
Trump has already had plenty to say about CNN's debate in recent weeks. After taking credit for the network's expected surplus in ad revenue, the business mogul sent a letter to network President Jeff Zucker, calling on him to donate proceeds from the program to charities supporting U.S. veterans.
The added length may in part be due to the unusually large field of candidates. 
A Fox News GOP presidential debate in August lasted two hours and featured 10 players.
Candidates will get a chance to head to the bathroom during an extended commercial break midway through.
With 10 men on stage and only one woman, it will be a rare instance of the men’s room line being longer than the ladies'.