Iranian authorities have sentenced a Jewish man to die — and they plan to carry out the execution as soon as Monday, sources told The Post. The case has sent a shockwave through the tiny Jewish community in the Islamic Republic, and Iranian Jewish expats and others in the Jewish community in New York and Israel are sounding the alarm that it is a clear miscarriage of justice. Arvin Ghahremani, 20, was working out at the gym in the Iranian city of Kermanshah, about 500 miles outside of Tehran, in November 2022 when he was ambushed by seven men, one...