The Leader Matters 2: Be bold in your aspirations, but logical in your approach

Come along on my journey, teaching the teenage Parker, Ellie, leadership. I'm sure it will be applicable to all leaders. 

Today's lesson is the next part of showing Ellie how to "Set the Vision" as a leader.

How do you know your vision is bold enough?
How do you know your vision is logical enough?
What is the process to create a bold, logical vision?