Update: Valerie Jarrett may go instead of Obama.
NBC: The committee hoping to bring the 2016 Olympics to Chicago has an early commitment from President Barack Obama to be in Copenhagen for its final presentation and the International Olympic Committee vote.
Pat Ryan, chairman of the Chicago 2016 bid, said Monday that Obama plans to attend the meeting in October. Heads of state have been present at meetings more frequently in the past few years. When London overcame favorite Paris to land the 2012 Games, a strong, in-person push by British Prime Minister Tony Blair was viewed as one of the reasons.