Complex sentence: He was one of the major players in the Iran-Contra Affair, eventually pleading to misdemeanors counts of withholding information from Congress; and was granted a presidential pardon by George H. W. Bush.
Split into simpler sentences: He was one of the major players in the Iran-Contra affair. He eventually pleaded guilty to misdemeanors counts of withholding information from Congress and was pardoned by George H. W. Bush.