Is there any potential war on the horizon that you would support?
4) Maybe, but unlikely.
5) No, not that I can think of.
Afghanistan and Iraq purposely omitted as we are already involved in those. Also, I'm presuming something in the interest of literal self-defense would be a given, though I know some would oppose even that.
Me? Barring literal self-defense, right now, I cannot envision any war I'd support.