Original sentence: Rubén Ángel Berríos Martínez (born June 21, 1939) is a Puerto Rican  politician, attorney, and writer, and the current president of the Puerto Rican Independence Party (PIP)
Edited sentence: Rubén Ángel Berríos Martínez (born June 21, 1939) is a Puerto Rican/American  politician, attorney, and writer, and the current president of the Puerto Rican Independence Party (PIP)