Lyric discussion by alecw19 

I might be completely wrong but I think this song is about John McCain.

"Johnny" "Veitnam" "Faith in you fathers" (McCain wrote a book called 'Faith of my Fathers')

"Come back home" and "Your war is over" probably refer to the fact that McCain never stops talking about how he was a POW....it's OVER, stop talking about it!

Bingo.

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