This forum on 9/5/11 in SC by Senator Jim DeMint allows for the candidates to speak their views in full length which may prove helpful beyond a debate format.  Thought it good viewing though a bit lengthy.  Well done by DeMint and starts with Michele Bachmann.

Other video parts:

Herman Cain:  http://www.youtube.com/watch?v=lK3TSyUf-bU

Ron Paul:  http://www.youtube.com/watch?v=1EsMMkiEgQs&feature=youtu.be

Mitt Romney: (go to 6 minute mark)  http://www.youtube.com/watch?v=wTlQ3_PKrUk