I don't think that is useful or helpful.
Focus on the issue at hand. The fact that they are using the Guard service is only because that's the only area they perceive a chink in Dubya's armor. The issue is not military service, it is painting Bush as dishonest.
Focus on the mounting evidence that CBS has collaborated in fraud with the DNC and the Kerry campaign to bring down a sitting president.
Eye on the prize, and the prize is truth, not mud slingling.
Everytime Rather does down a notch, GWB goes up! Realpolitic 101