Either everybody's so unconvinced by my answer that they don't see the point of pursuing this cruciverbal cul-de-sac (whereas I tend to think that even if it is such a blind alley, there's no reason to not go up it until such time as it proves to be so, just for the sake of enjoyment rather than perfection), or the clue's too hard. So, I'd like to edit:
Charge president, though strangely empathetic, after losing Vietnam offensive (7)
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