HARD EDUCATION:

There're a couple things you learn in a war tour.

First, combat sucks. ...

Second, you absolutely need your buddies. ...

Third, as long as your buddy is there for you, you couldn't care less if this buddy is gay, black, female, islamic, stupid, liberal, ...

Fourth, you're well aware that some of the people you are defending hate you and what you represent.

These are four lessons that our Republican leadership have never learned.
Why?

Because Republicans don't volunteer.

This and several equally pointed letters from veterans or those currently serving are at Take it to Karl. (Found at The Sideshow.)