The secret to successful public speaking is out! Rhetoric is the short cut to communication success - you "public speak" in some way everyday in every way. When you understand the bits and pieces of what you want to say and how to say it, then you're in control of any situation. You're nerve free, confident; your eye contact, voice, volume, hands and delivery are under control. So simple! so easy!
You can also readily understand how others manipulate you by rhetoric so you can easily off-set their strategies - cut them off at the pass!
Recognize rhetorical devices and how to deflect them, or, learn to use them to everyone's advantage! Understand the history, development and strategies of successful rhetoric and apply the devices to tailor your goals. Rhetoric is a formula for all communication success at its easiest and best!