How much it is expected of you to go there? I mean can you say "no" w/o any problems?
Do you feel you can give them the proper motivation bla?
Do you think you can get that thing through with a "I go there and kick ass this bloody audience of upper management tralalas! You want motivation? You get them up your asses?"
I HAT talks myself, but the feeling afterwards is always worth it, and the more often you do it the easier it gets.
Could you maybe see that as something you do for yourself and not the audience, your bosses, the "motivation" or whom/whatever?