Complex sentence: Jerome Cavanagh, also spelled "Cavanaugh," 1928-1979, mayor of Detroit 1962-1970, initially seen as another JFK, his reputation and his city were doomed by the riots of 1967.
Split into simpler sentences: Jerome Cavanagh, also spelled "Cavanaugh," (1928-1979) was the mayor of Detroit, Michigan from 1962 to 1970. Initially seen as another JFK, his reputation and his city were doomed by the riots of 1967.