If there’s redemption in the selfishness, it has to do with loving life, with respecting yourself enough not to end your days prematurely or in futile pursuits. Yes, I said it. Somewhere between my second and third tours, I came to believe that our foreign, undeclared wars flouted our Constitution and made us less safe — from terrorism, from debt and from tyranny at home. Believing this wasn’t easy, but I couldn’t help it. Without faith in our military endeavors, my long-held notions about duty, heroism and fighting the good fight didn’t survive long.