07/26/2012 11:59 am ET Updated Dec 06, 2017

WATCH: Why Veterans Should Be "Thanked, Not Cheered"

In an extended preview of this weekend's Moyers & Company, Karl Marlantes -- a highly-decorated Vietnam veteran, Rhodes Scholar, author, and PTSD survivor -- talks about the confusion of conscience that comes with going to war, and why veterans should be thanked, but not cheered.

Here's my ideal of a return. First of all, they don't need cheering. It ain't football. I think that a lot of non-veterans think that they're supporting the troops by doing, you know, hullabaloo and "let's cheer and let's salute the flag and fire off a few cannons and some fireworks." What they need is recognition that what they've just done is something that should be thanked, not cheered."

Watch the full show this weekend. Moyers & Company airs weekly on public television.