Part of the 'Fear of Public Speaking' isn't really fear at all, but a feeling that we aren't special, can't think of anything special, and don't have anything worth sharing.
I found this video this morning, thanks to Twitter, and fellow coach Nancy Duarte. In its simplicity, it says it all:
(Derek Sivers can be found at @sivers on Twitter and Sivers.org)
Quit arguing, and start Speaking.