Complex sentence: He symbolized the self-made man, the common man, who believed in America, in progress, in the American Dream of upward mobility, and whose humor never offended even those who were the targets of it.
Split into simpler sentences: He symbolized the self-made man, the common man, who believed in America, in progress, in the American Dream of upward mobility. His humor never offended even those who were the targets of it.