Original: Under his leadership, the Examiner devoted 24 percent of its space to crime, presenting the stories as morality plays, and sprinkled adultery and "nudity" (by 19th century standards) on the front page.
Simplified: While he was in charge, the Examiner gave 24 percent of its space to crime, presenting the stories as morality plays, and put adultery and "nudity" (by 19th century standards) on the front page.