Question: Then there is Mrs. Cavendish, continued Poirot.
Mrs. Cavendish is a possibility.

Answer: it is not possible to tell

Question: But her Valley Girl airhead image is a cruel caricature.
Her image is a cruel caricature and it was a pity.

Answer: it is not possible to tell

Question: And though Bill Clinton proves that people will elect presidents who feel their pain, still I think Weisberg is close to the mark on this point.
Bill Clinton is proof that people vote for people who understand them.

Answer:
yes