Is it ever ethical to invent supporting material if you have been unable to find what you need for your speech? Use signposts to organize your speech for the ears of others. Explain the functions of,...

Is it ever ethical to invent supporting material if you have been unable to find what you need for your speech?

Use signposts to organize your speech for the ears of others. Explain the functions of, and several strategies for, speech introductions and conclusions.