To reiterate, I think war is unlikely, even if all of those things were to happen. But I think it's important to realize that just because war is not a rational decision doesn't mean it can't happen. Things have a way of spiraling out of control when you don't expect it.
Disclaimer: Liberal Arts graduate. Knowledge of modern physics limited to reading snarky comments of slashdotters nitpicking sci-fi that fails to account for relativistic effects.
ASSUMING the cost is negligible. If the position comes with a separate salary, that seems like a blatant misuse of UN funds. After all, we don't pay the US Secretary of Veterans Affairs extra money for being president-in-waiting.
"Conversion, fastidious Goddess, loves blood better than brick, and feasts most subtly on the human will." -- Virginia Woolf, "Mrs. Dalloway"