Now how good of an example are these two? Good article here. What 2 styles are represented?
"They both sound conversational in totally different styles," Goman tells WebMD. "Palin's style says, 'I'm just like you.' Her colloquialisms, such as 'doggone-it,' were effective for that message." Biden's style, Goman says, sent a different message: "I'm knowledgeable and passionate. I'm not intimidating, but I'm vice presidential."The article goes on to evaluate speech pattern, tone of voice, posture, gesture (you don't see all the gestures in this shortened video of course), and facial expression. It's a crical view that talks about what they did well and what should have been better. Certainly things can be improved but this video shows that public speaking can be conversational and that each speaker can find his/her own style.