Why is it important for an educator, especially an educational leader, to understand the policy making process?

Policy Definitions

Watch:
https://cdnapisec.kaltura.com/index.php/extwidget/preview/partner_id/2167581/uiconf_id/39959791/entry_id/1_p95iyzzl/embed/dynamic

Book:
Fowler, F. C. (2013). Policy studies for educational leaders: An introduction (4th ed.). Boston, MA: Allyn & Bacon

Define education policy and give an example of policy developed at the federal, state, and local level.