Walk rate is probably the area in which a pitcher has the most room to improve, but a rate that high is tough to overcome.

Racism is predictable. It's predicted by interaction or lack thereof with people unlike you, people of other races.

There's always the risk that there are unknown unknowns.

People gravitate toward information that implies a happier outlook for them.

Accountability doesn't mean apologizing.

Data-driven predictions can succeed-and they can fail. It is when we deny our role in the process that the odds of failure rise. Before we demand more of our data, we need to demand more of ourselves.

Remember, the Congress doesn't get as many opportunities to make an impression with the public.