Bear states, 
 
>> "So, knowing that your opponent is using deception to win the argument, or more likely, to simply avoid the argument, would a disrespectful argument in which you accuse your opponent of lying, fraud, and other misconduct, be acceptable, or is the only ethical course one that will lose in the cauldron of public opinion - the place, i would argue, that really counts?"
Wouldn't whether or not you were disrespectful depend on how you stated your response? Your use of the word "accuse" makes me think that you would use words that would be offensive. Couldn't you point out in what ways the person's argument is flawed, without being disrespectful?
 
June