Many people have to speak in public whether in their personal or professional lives. Managers, bosses, presenters and more often need to address groups of people to explain a change in the company, changes in policy, a new discovery, etc. Others might have to give a speech at a wedding, a birthday, or another special occasion. How can anyone become an effective speaker and get people to listen and enjoy their speech? Think back to your favorite teacher in school, or the best speech you ever heard. Likely, the common thread is humor. The lessons we are taught and the speeches we hear make a lasting impression if they make…