If she qualifies for 100m. She is likely to get a medal. Shelly Ann presents can complicate jamaican 100m qualification. For 200m chances of podium finnish are high.
I think it would be stupid to not double in the Olympics just for the sake of getting the World Record! She can go after the World Record any other time and in any other meet. So many people fixate on one thing or another, and completely lose focus. Jacko is a bonafide contender in the 100 and 200M, and she should run both in Paris and worry about the World Record elsewhere!
