For the first time in World Cup history, a host nation is at war with one of its participants. Iranian Americans are at a crossroads.

The U.S.-Israeli war has left fans torn between excitement, anger at Tehran’s crackdown on protesters and concern that Washington’s bombing campaign has gone too far.

LOS ANGELES: When Iran kick off their World Cup campaign next week in Los Angeles, Iranian-American businessman Ehsan Shafi will be in the stands cheering on Team Melli, a rare…