How did you decide on these actions?
What results did you achieve?
How successful were you and how do you know that?
What worked and what didn't?
What happened in the end and what did you learn from the experience?
How did you communicate the decision?
How did you overcome resistance?
Who did you have to impress and why?
What are the main areas of activity you have had to keep track of?
How did you go about it?
Why do you feel that action was necessary?
What steps did you take?
Why was it important to resolve the issue?
Why was the unpopular decision necessary?
What did you learn?