I'm with you Non-PC. The 'teach' word has been too prevalent throughout the previous posts. A good CRMI will allow the participants to discover for themselves. Tricky sometimes.
The delivery is critical, the CRMI has to be convincing. Why should anyone listen to a CRMI who obviously has little energy or belief in the subject? A good CRMI will also be flexible and allow the subject matter to go wherever it needs to because that's probably where the biggest issues are for that group. They should be prepared to abandon the 'lesson plan' altogether if needs be.
Ideally, it should be the group doing most of the talking, almost a debate. IMHO, if you can get to a stage where the CRMI is simply 'chairing' the dicussion then that's a good session. This is true facilitation, because the group is discovering for themselves and will change their behaviour because they become convinced about the value of the subject being discussed.