AMES, Iowa � The future of Iowa State thrower Christina Hillman looks bright. No one knows that more than her coach, Iowa State throws mentor Grant Wall. He knew Hillman was special. By resume alone, Hillman was a great catch for the Cyclone track and field program. Now, after winning the shot put title at the U.S. Junior Track and Field Championships last weekend in Bloomington, Ind., her actions are speaking louder than words.