I view my role now as providing more of a macro-level skepticism, rather than saying this poll is good or this poll is evil.

When human judgment and big data intersect there are some funny things that happen

We must become more comfortable with probability and uncertainty.

A lot of things can't be modeled very well.

Success makes you less intimidated by things.

Almost everyone's instinct is to be overconfident and read way too much into a hot or cold streak.

Voters' memories will fade some.