This article was in the New York Times today.
http://www.nytimes.com/2011/01/26/sports/26xgames.html?hpw
One of the excerpts from the article said:
“The chances are extremely high for ski slopestyle, ski halfpipe and snowboard slopestyle to be part of the Olympic program in 2014,” Christophe Dubi, the I.O.C. sports director, said in an e-mail.