When in op-ed writing should you state your opinion?

Question

beginning, middle, end or never.

Which man is considered the father of sensationalisic journalism

joseph Pulitzer

Richard Harding Davis

Richard Felton Outcault

William Randolf Hearst

Answer 1

You state your opinion at the beginning, and then use the rest of the article to provide the arguments to support your opinion

William Randolf Hearst is the father, and Pulitzer is the son, or a close second.