Khomeinism/Khoiesm in Iraq

Today's assasination of Majid Khoie, Ayatollah Khoie's son who is not a fan of Iranian leaders at all, will eventually increase the gap between Khomeinism and Khoiesm in Iraq. Shitte people in Iraq seems to be not very close to the Iranian supported fraction of exiles like Ayatollah Hakim. I think after a breif struggle of power in the vacuume period, they apparently won't accept Iranian-backed clerics and will finally be independent.
The only thing that worries me know is that Iranian people would suffer from the irreleative decision of their fanatic leaders to intervene in Iraq's political future and to impose their fans to Iraqi people. What can we do to stop them?