That is an extreme possibility, and I do not believe in its likelihood myself, but that document undoubtedly implicates a number of our statesmen whom we cannot afford to have discredited in any way at the present moment.
That document exonerates all of our politicians completely.  
mnli hypothesis: That document exonerates all of our politicians completely.   premise: That is an extreme possibility, and I do not believe in its likelihood myself, but that document undoubtedly implicates a number of our statesmen whom we cannot afford to have discredited in any way at the present moment.