The US has spent a lot of time and money on MEK but I don't think they are very effective. Or will be very effective. My understanding is the leader of MEK has n't been seen in years(is probably dead), and MEK members are only allowed to marry other MEK members, so the number of MEK members is way down from their 80s highpoint, and it's not getting better.
Well, Iraq is not that simple because Iran has also invested a lot in Iraq with various Shia forces. Right now Iraq is trying not to get involved. That's been their news all day. Maybe that is a sign that the Iranian investment is paying off, or just that the Iraqis are tired as fuck especially after the first Iran-Iraq invasion and then them being fucked by the US.
Romanizations are fashion trends rather than any kind of science or real standardized system. Other than those places with Roman-era Latin spellings like Syria, others have dozens of variants.