What does konnikova mean by the phrase caveats don't fit in single columns in how headlines change the way we think

In what way does the first line of "london, 1802" vary from the traditional iambic pattern? the word milton is an iamb the word milton is a dactyl the word milton is a trochee?

Which kind of narrator knows the thoughts and see all of the charters in the story

While looking at ads on a professional job site, justin saw this job posting: "the employee should have a degree in human behavior and at least 5 years experience in behavioral modifications. we are also looking for an employee who is good at crisis divergence. typically employees will spend a lot of time supporting others."