What is worrisome is the failure of pollsters themselves to learn from the history of their profession.
It makes me worry the failure of pollsters to learn from the past of their profession, because to me there is no progress.
mnli hypothesis: It makes me worry the failure of pollsters to learn from the past of their profession, because to me there is no progress. premise: What is worrisome is the failure of pollsters themselves to learn from the history of their profession.