How important is the speaking style of a politician to their success? To you and to what you consider the American voting public, and why? If the exaggeration of Bush’s drawl the further south he goes is any indication, it’s a key tool in the speech arsenal. How important speaking style is depends on the listeners. For myself, I want the person to be articulate (I absolutely HATE mispronounced or made-up words), interesting and not shifty or fidgety. I don’t want to see them lying all over the podium like their shoes are too tight, or making broad, hand-flapping gestures. I want there to be a clearly-defined theme or purpose to the speech, no um’s and er’s, and I’d like to think the speaker was prepared enough and familiar enough with the material to not be obviously reading from a teleprompter. I’d like the speaker to be able to answer questions about the points brought up in the speech, just to prove that they weren’t just reciting what their speechwriters wrote.
The fire-and-brimstone-preacher style turns me off, especially if the subject is serious. It makes me (an agnostic) want to jump up and wave my hands above my head and shout “Praise Jaaayyyyysus!!!” ...either that or put in a rabid animal call in to the SPCA.

Knowing when to shut up is important, too. Some speakers seem to be in love with the sound of their own voice, oblivious to the fact that they are alienating or boring their audience to tears.
I don’t want to fire up the Clinton-haters, but in my opinion, that man can speak. He has enough of the “friendly” southern drawl to pull in the regular Joes, but is intelligent and well-spoken enough to appeal to “intellectuals”.
Example:
QUOTE
I think victory for our point of view depends upon four things. First we have to win the fight we're in, in Afghanistan and against these terrorist networks that threaten us today. Second, we in the wealthy countries have to spread the benefits of the twenty first century world and reduce the risks so we can make more partners and fewer terrorists in the future. Third, the poor countries themselves must make some internal changes so that progress for their own people becomes more possible. And finally, all of us will have to develop a truly global consciousness about what our responsibilities to each other are and what our relationships are to be. Let me take each of these issues quickly in turn.
Clinton SpeechAnd then he goes on to expand on those three points, and ties the whole theme together (I can't post all the topic resonses without violating the rules).
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<snip>Ever since the first person walked out of a cave millennia ago with a club in his hand, and began beating people into submission, offensive action prevails.
Then after a time, someone figured out, well I could put two sticks together and stretch an animal skin over it and I would have a shield and the club wouldn't work on me any more.
All the way through to the present day, that has been the history of combat - first the club, then the shield; first the offence, then defence; that's why civilisation has survived all this time even in the nuclear age. So it is frightening now because we are in the gap, and the more dangerous the weapons, the more important it is to close quickly the gap between offensive action and the construction of an effective defence.
As for what others want in a speaker; I don't know. I could speculate that as long as the speaker says what they want to hear, then he's a good speaker.
QUOTE(AuthorMusician )
He could have lost the thumb-fist gesture.
Every politician seems to use that gesture nowadays (it’s eerie to see how many)…

maybe it has replaced pointing with the index finger as being more polite? I don't like it-it's very artificial.