What Happens When You Invite Questions From Your Team?

I'm reading University of Virginia cognitive scientist Daniel Willingham's new book, Outsmart Your Brain: Why Learning is Hard and How You Can Make It Easy.   The book offers terrific advice on learning strategies for students, as well as tips for teachers on how to help students learn more effectively.  In the book, Willingham writes, 

If your students consistently do not  ask questions, you should wonder about your relationship with them. They are not quiet because your explanations are so brilliant and clear.  They're quiet because they see asking a question as taking a risk.  Ask yourself why that is.  

What a terrific thought-provoking statement for teachers to ponder.  Now replace the word students in the first sentence with the words "team members" or "employees" and consider the implications for leaders at all levels.  If your people are not asking you questions, you have a problem.  Silence doesn't suggest that you have articulated your vision, goals, and strategies clearly and persuasively.  Silence suggests a problem with the climate you have created.