I think Kerry always had a 'judas within'; and think that is reason enough to give scrutiny to Kerry's war record. . .and with that, I believe his behavior was less than valiant and even less than admirable. . .and his choices, reflected a man of less than noble character.
The real truth of John Kerry (the Judas you refer to. . .) emerges more obviously, by way of his public personna; in his post Vietnam endeavors.
When I think of Kerry and 'character'; Purple Heart altruism et al; I think of how you cannot get 'blood from a turnip'.
And we are not going to get it from Kerry. . .nor did we.