Simplify the following text for a Grade 13 native English-speaking person.
Original: In the early years of the revolution , Mousavi was the editor-in-chief of the official newspaper of the Islamic Republican Party , the Jomhouri-e Eslami ( Islamic Republic ) newspaper .
Simplified: In the early years of the revolution , Mousavi was the editor-in-chief of the official newspaper of the Islamic Republican Party , the Islamic Republic newspaper .