I am one of the people that according to Peter need some help. I used simple logic. Only one of two things can be true in my opinion.
1) The stories are completely made up and nobody took a shot at o sensei.
2) Somebody took a shot at o sensei.
In both cases o sensei survived. That sounds like dodging bullits to me. I dont need any mystical or superhuman ability attributed to o sensei in this. Maybe I dont know or understand what happend, but then again, I have that same feeling in many other things. Still it doesnt hinder me in daily life or in my aikido training so far.