He supports an nebulously reasoned war because it protects his country of origin, Israel. The Iraq war, if it ever was anything but, is now a liberal, humanitarian war. Supporting it does not make you conservative. And how is being a flaming leftist on every concievable domestic issue mean that you "take the conservatives' position?"
Lieberman is not from Israel: he's an American who is Jewish. But his support of Israel leads him to understand the dangers of terrorists and terrorism. If you review his history, you will see a number of times when he has voted with the President and/or Repubs --- that of course is what made him so unpopular with his own Democrat party.
"He supports an nebulously reasoned war because it protects his country of origin, Israel."
I didn't know Pat Buchanan had a teenage son. You learn something new every day.