Complex sentence: At the newspaper he received support and encouragement from his editor, Palmer Hoyt, although he occasionally ran into trouble, especially when he attracted attention for creating critical, unflattering cartoons of Dwight D. Eisenhower, the 34th President of the United States.
Split into simpler sentences: At the newspaper he received support and encouragement from his editor, Palmer Hoyt, although he occasionally ran into trouble. He attracted attention at the "Post" for creating critical, unflattering cartoons of Dwight D. Eisenhower, the 34th President of the United States.