Next month's short course world championships will be a test in many ways for Cesar Cielo, and today he talks about how the meet will set him up for defending his Olympic title in the 50 freestyle. Cielo also looks back on setting the world record in the long course 50 freestyle almost a year ago and how long it might take for him to break the record.

Jan. 7, 2010: World record holder Cesar Cielo returns to the show to talk about his place in the echelon of the great sprinters in the wake of setting the world record in the 50 freestyle a few weeks ago. He breaks down the race and looks forward to racing in jammers and seeing how fast he can go.