premise: On Halloween night, October 31, during a 2-hour long live episode of NBC show Phenomenon, famed magician Criss Angel told Uri Geller and Jim Callahan, "I will give you a million dollars of my personal money right now if either one of you can tell me specific details of what's in [this envelope] right now." While Geller ignored Angel's challenge, Callahan started to confront Angel in a hostile manner, as host Tim Vincent held him back and Geller held Angel back.
hypothesis: Criss Angel is a magician who challenged Jim Callahan.