Joseph Lieberman actually said...

What then is the responsibility of an individual soldier who hears a fellow soldier express political views that he deems are extremist?

Our challenge is to make sure that we have not allowed new silos to build up.

So we will definitely pursue that, and that may be an area of recommendation for us.

Of course, I agree not only was it outrageous, but as you said, it hurts our efforts to succeed in this conflict.