I can discard specific Experiments from the list

(User Story, To be Fixed , Priority: Medium, Test Status: No automated tests yet , Reported By Justin du Coeur, )
Summary: When I look at the list of all the individual changes, I can discard any of them that I choose.
There needs to be a "Cancel" or "Continue" on the Experimenting dialog, so that I can see what the world looks like after I discard.