Complex sentence: Reed charged that Harkin should have been "elbow-deep" in the issue, despite Harkin's shepherding of the bill, which passed in both houses of Congress by an overwhelming majority twice, overriding President George W. Bush's veto.
Split into simpler sentences: Reed charged that Harkin should have been "elbow-deep" in the issue. The bill passed in both houses of Congress by an overwhelming majority twice, overriding President George W. Bush's veto.