Complex sentence: In 1972, Reed as chairman struggled with the candidacy of Gil Carmichael, then an automobile dealer from Meridian who sought to unseat Senator Eastland, who was in the race for his final term in office.
Split into simpler sentences: In 1972, Reed as chairman struggled with the Gil Carmichael candidacy. An automobile dealer from Meridian, Carmichael sought to unseat Senator Eastland, who ran for his final term in office.