think piece
A piece of writing, especially an editorial in a newspaper or magazine, giving thoughtful consideration to some issue or topic. He gained a bit of national attention after his think piece on immigration reform was picked up by several major news outlets. I've been asked to write a think piece about the upcoming referendum.
think piece
An article that presents news analysis, background material, and the author's opinions, as in Her goal was to write think pieces but the editor kept assigning crime stories. [c. 1940]
think-piece
n. a thoughtful piece of writing in a newspaper or magazine. Mr. Wilson’s think-piece about the need for more concern for the middle class was not well received.