Debating resources on the web!
How other organizations debate
The founding of the Toronto Debating Society was inspired by the Worlds, (World Universities Debating Championship). Our debating style is a bit more relaxed.
Intelligence Squared (British) are the original, although now IQ2 exists in the US and Australia, among other locations. These debates can be watched via live streaming, or sometimes broadcast on public television. There are also extensive archives available.
A great graphic: Thou shalt not commit logical fallacies.
These Referee Signals are as applicable to debate as to philosophy.
The classic Argument Clinic from Monty Python.