I'm pretty sure Sanders doesn't support military action against Iran........This guy does not believe in your two options as it was ridiculous in the first place:
https://www.salon.com/2019/06/23/bernie-sanders-scathingly-denounces-donald-trumps-iran-policy/
So my arguments are more in line with Sanders, while you and Trump are birds of the same feather. When are you going to support Sanders, instead of your passionate support for the crap when Trump gets his panties in a twist??