What is the purpose of your proposed antiharassment policy?
Why would implementing this policy be beneficial for the CEO? What's in it for him or her?
Why is it important to have such a policy in place? If the basic purpose is to stop harassing behavior, why is that important? Why is harassment detrimental to an organization?
What is your communication plan? How should the CEO present the policy to the staff? What specific communication methods do you recommend, and what will the communication say?